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States Patent and Trademark Office On March 10, Bell succeeded in getting his telephone to work, using a liquid transmitter similar to Gray'sdesign. Vibration of the diaphragm caused a needle to vibrate in the water, varying the electrical resistance in the circuit. When Bell spoke the sentence "Mr. Watson Come here I ... | Wikipedia:Alexander Graham Bell |
was in another room but out of earshot. He said, "Mr. Watson, come here – I want to see you" and Watson soon appeared at his side. Continuing his experiments in Brantford, Bell brought home a working model of his telephone. On August 3, 1876, from the telegraph office in Brantford, Bell sent a telegram to the village o... | Wikipedia:Alexander Graham Bell |
if he could get the patent for $25 million (equal to $ today), he would consider it a bargain. By then, the Bell company no longer wanted to sell the patent. Bell'sinvestors became millionaires while he fared well from residuals and at one point had assets of nearly $1 million. Bell began a series of public demonstrati... | Wikipedia:Alexander Graham Bell |
Calling from the AT&T head office at 15 Dey Street in New York City, Bell was heard by Thomas A. Watson Competitors As is sometimes common in scientific discoveries, simultaneous developments occurred, as evidenced by a number of inventors who were at work on the telephone. Over 18 years, the Bell Telephone Company fac... | Wikipedia:Alexander Graham Bell |
to pay royalties. The establishment of the International Bell Telephone Company in Brussels, Belgium, in 1880, as well as a series of agreements in other countries eventually consolidated a global telephone operation. The strain put on Bell by his constant appearances in court, necessitated by the legal battles, eventu... | Wikipedia:Alexander Graham Bell |
small village of Baddeck, Nova Scotia Until the end of his life, Bell and his family would alternate between the two homes, but Beinn Bhreagh would, over the next 30 years, become more than a summer home as Bell became so absorbed in his experiments that his annual stays lengthened. Both Mabel and Bell became immersed ... | Wikipedia:Alexander Graham Bell |
Bureau#Laboratory projects On June 21, 1880, Bell'sassistant transmitted a wireless voice telephone message a considerable distance, from the roof of the Franklin School (Washington, D.C.) Bell believed the photophone'sprinciples were his life's "greatest achievement", telling a reporter shortly before his death that t... | Wikipedia:Alexander Graham Bell |
proof-of-concept prototypes that culminated in the more substantial HD-4, powered by Renault engines. A top speed of was achieved, with the hydrofoil exhibiting rapid acceleration, good stability, and steering, along with the ability to take waves without difficulty. In 1913, Dr. Bell hired Walter Pinaud, a Sydney yach... | Wikipedia:Alexander Graham Bell |
the AEA Silver Dart Heredity and genetics Bell, along with many members of the scientific community at the time, took an interest in the popular science of heredity which grew out of the publication of Charles Darwin'sbook On the Origin of Species in 1859. On his estate in Nova Scotia, Bell conducted meticulously recor... | Wikipedia:Alexander Graham Bell |
natural selection no longer influences mankind to any great extent." The paper'sauthor concludes by saying "A wiser way to prevent the extension of hereditary deafness, it seems to us, would be to continue the investigations which Dr. Bell has so admirable begun until the laws of the transmission of the tendency to dea... | Wikipedia:Alexander Graham Bell |
documents reside in both the United States Library of Congress * The Bell Homestead National Historic Site, includes the Bell family home, "Melville House", and farm overlooking Brantford, Ontario and the Grand River (Ontario) * Canada'sfirst telephone company building, the "Henderson Home" of the late 1870s, a predece... | Wikipedia:Alexander Graham Bell |
£1 note Alexander Graham Bell was ranked 57th among the 100 Greatest Britons (2002) in an official BBC nationwide poll, and among the The Greatest Canadian , Scotland, receiving an honorary Doctor of Laws degree (LL.D.) at the university in 1906 Honorary degrees Alexander Graham Bell, who could not complete the univers... | Wikipedia:Alexander Graham Bell |
Television * A Sign of Her Own,'' by Sarah Marsh (2024), a novel about a pupil of Bell's Visible Speech, who is "gradually realising and acting upon the harm he was inflicting on her and other deaf people." Bibliography * Also | Wikipedia:Alexander Graham Bell |
* A Sign of Her Own,'' by Sarah Marsh (2024), a novel about a pupil of Bell's Visible Speech, who is "gradually realising and acting upon the harm he was inflicting on her and other deaf people." Bibliography * Also published as: * * See also * Alexander Graham Bell Association for the Deaf and Hard of Hearing * Alexan... | Wikipedia:Alexander Graham Bell |
contributions indirectes de Graham Bell à l'idée de la vision à distance par l'électricité" at the Histoire de la télévision * * Alexander Graham Bell and the Aerial Experiment Association Photograph Collection at The Museum of Flight (Seattle, Washington). Multimedia * Alexander Graham Bell at The Biography Channel * ... | Wikipedia:Alexander Graham Bell |
Baddeck, Nova Scotia Category:People from Brantford Category:Scientists from Edinburgh Category:Scientists from Washington, D.C. Category:Scottish agnostics Category:Scottish emigrants to Canada Category:Scottish emigrants to the United States Category:Scottish Engineering Hall of Fame inductees Category:Scottish eugen... | Wikipedia:Alexander Graham Bell |
Apple Inc. is an American multinational corporation and technology company headquartered in Cupertino, California, in Silicon Valley. It is best known for its consumer electronics, computer software The company was founded to produce and market Wozniak's Apple I personal computer. Its second computer, the Apple II (ori... | Wikipedia:Apple Inc. |
by Wozniak, was the company'sfirst major success. The Apple II was chosen to be the desktop platform for the first killer application of the business world: VisiCalc, a spreadsheet computer program On December 12, 1980, Apple went public with an initial public offering (IPO) on the fully electronic NASDAQ Stock Market,... | Wikipedia:Apple Inc. |
igh-energy beta particles, and astatine does not. Beta particles have much greater penetrating power through tissues | Wikipedia:Astatine |
the extremely toxic polonium-210. The principal medicinal difference between astatine-211 and iodine-131 (a radioactive iodine isotope also used in medicine) is that iodine-131 emits high-energy beta particles, and astatine does not. Beta particles have much greater penetrating power through tissues than do the much he... | Wikipedia:Astatine |
or ). Atoms are the basic particles of the chemical elements. An atom consists of a atomic nucleus Atoms are extremely small, typically around 100picometers across. A human hair is about a million carbon atoms wide. Atoms are smaller than the shortest wavelength of visible light, which means humans cannot see atoms wit... | Wikipedia:Atom |
to attach and detach from each other is responsible for most of the physical changes observed in nature. Chemistry is the science that studies these changes. History of atomic theory In philosophy The basic idea that matter is made up of tiny indivisible particles is an old idea that appeared in many ancient cultures. ... | Wikipedia:Atom |
figures, in the black powder there is about 28g of oxygen for every 100g of iron, and in the red powder there is about 42g of oxygen for every 100g of iron. 28 and 42 form a ratio of 2:3. Dalton concluded that in these oxides, for every two atoms of iron, there are two or three atoms of oxygen respectively. These subst... | Wikipedia:Atom |
but they were later renamed electrons since these are the particles that carry electricity. Thomson also showed that electrons were identical to particles given off by Photoelectric effect Discovery of the nucleus : The extreme scattering of some alpha particles suggested the existence of a nucleus of concentrated char... | Wikipedia:Atom |
tiny volume at the center of the atom and that the electrons surround this nucleus in a diffuse cloud. This nucleus carried almost all of the atom'smass. Only such an intense concentration of charge, anchored by its high mass, could produce an electric field that could deflect the alpha particles so strongly. Bohr mode... | Wikipedia:Atom |
particles with no electric charge and a mass equal to that of the proton. In 1928, Walter Bothe observed that beryllium emitted a highly penetrating, electrically neutral radiation when bombarded with alpha particles. It was later discovered that this radiation could knock hydrogen atoms out of paraffin wax. Initially ... | Wikipedia:Atom |
ejects what appeared to be hydrogen nuclei. By 1920 he had accepted that the hydrogen nucleus is a distinct particle within the atom and named it proton. Neutrons have no electrical charge and have a mass of . Neutrons are the heaviest of the three constituent particles, but their mass can be reduced by the nuclear bin... | Wikipedia:Atom |
identical number of protons in their nuclei belong to the same chemical element. Atoms with equal numbers of protons but a different number of neutrons are different isotopes of the same element. For example, all hydrogen atoms admit exactly one proton, but isotopes exist with no neutrons (hydrogen-1, by far the most c... | Wikipedia:Atom |
This assumes the atom to exhibit a spherical shape, which is only obeyed for atoms in vacuum or free space. Atomic radii may be derived from the distances between two nuclei when the two atoms are joined in a chemical bond. The radius varies with the location of an atom on the atomic chart, the type of chemical bond, t... | Wikipedia:Atom |
move off in parallel and with matching phases. That is, the wave patterns of the two photons are synchronized. This physical property is used to make lasers, which can emit a coherent beam of light energy in a narrow frequency band. The outermost electron shell of an atom in its uncombined state is known as the valence... | Wikipedia:Atom |
baryogenesis may offer an explanation. As a result, no antimatter atoms have been discovered in nature. > Bibliography * * * * * * * * * * * Further reading * * * * * * * External links * Atoms in Motion – The Feynman Lectures on Physics * Category:Atoms Category:Chemistry Category:Articles containing video clips | Wikipedia:Atom |
Aluminium (or aluminum in North American English) is a chemical element; it has chemical symbol Chemically, aluminium is a post-transition metal in the boron group; as is common for the group, aluminium forms compounds primarily in the +3 oxidation state. The aluminium cation Al3+ is Fajans' rules The discovery of alum... | Wikipedia:Aluminium |
the shiny side reflects a far greater share of visible light specular reflection The density of aluminium is 2.70g/cm3, about 1/3 that of steel, much lower than other commonly encountered metals, making aluminium parts easily identifiable through their lightness. Aluminium's low density compared to most other metals ar... | Wikipedia:Aluminium |
reducing agent in the thermite reaction. A fine powder of aluminium reacts explosively on contact with liquid oxygen; under normal conditions, however, aluminium forms a thin oxide layer (~5nm at room temperature) that protects the metal from further corrosion by oxygen, water, or dilute acid, a process termed passivat... | Wikipedia:Aluminium |
called alumina. It can be found in nature in the mineral corundum, α-alumina; there is also a γ-alumina phase. Its crystalline form, corundum, is very hard (Mohs hardness 9), has a high melting point of , has very low volatility, is chemically inert, and a good electrical insulator, it is | Wikipedia:Aluminium |
r 150 intermetallics with other metals are known. Preparation involves heating fixed metals together in certain proportion, followed by gradual cooling and Annealing (metallurgy) There are few compounds with lower oxidation states. A few aluminium(I) compounds exist: | Wikipedia:Aluminium |
13 metals) and over 150 intermetallics with other metals are known. Preparation involves heating fixed metals together in certain proportion, followed by gradual cooling and Annealing (metallurgy) There are few compounds with lower oxidation states. A few aluminium(I) compounds exist: AlF, AlCl, AlBr, and AlI exist in ... | Wikipedia:Aluminium |
state; instead it is found in oxides or silicates. Feldspars, the most common group of minerals in the Earth'scrust, are aluminosilicates. Aluminium also occurs in the minerals beryl, cryolite, garnet, spinel, and turquoise. Impurities in Al2O3, such as chromium and iron, yield the gemstones ruby | Wikipedia:Aluminium |
in oxides or silicates. Feldspars, the most common group of minerals in the Earth'scrust, are aluminosilicates. Aluminium also occurs in the minerals beryl, cryolite, garnet, spinel, and turquoise. Impurities in Al2O3, such as chromium and iron, yield the gemstones ruby and sapphire, respectively. Native aluminium meta... | Wikipedia:Aluminium |
Christian Ørsted. He reacted anhydrous aluminium chloride with potassium amalgam (chemistry) in Piccadilly Circus, London, was made in 1893 and is one of the first statues cast in aluminium. As Wöhler'smethod could not yield great quantities of aluminium, the metal remained rare; its cost exceeded that of gold. Even th... | Wikipedia:Aluminium |
from alum was alumium, which Davy suggested in an 1808 article on his electrochemical research, published in Philosophical Transactions of the Royal Society. It appeared that the name was created from the English word alum and the Latin suffix -ium; but it was customary then to give elements names originating in Latin,... | Wikipedia:Aluminium |
world used ' in the 19th century; In the 1830s, the ' spelling gained usage in the United States; by the 1860s, it had become the more common spelling there outside science. In 1892, Hall used the ' spelling in his advertising handbill for his new electrolytic method of producing the metal, despite his constant use of ... | Wikipedia:Aluminium |
over 55%. According to the International Resource Panel's Metal Stocks in Society report, the global per capita stock of aluminium in use in society (i.e. in cars, buildings, electronics, etc.) is . Much of this is in more-developed countries ( per capita) rather than less-developed countries ( per capita). Bayer proce... | Wikipedia:Aluminium |
other metal except iron (1,231million metric tons). Aluminium is almost always alloyed, which markedly improves its mechanical properties, especially when tempering (metallurgy) The major uses for aluminium are in: * Transportation (automobiles, aircraft, trucks, railway cars, marine vessels, bicycles, spacecraft, etc.... | Wikipedia:Aluminium |
Organoaluminium chemistry * Methylaluminoxane is a co-catalyst for Ziegler–Natta olefin polymerization to produce vinyl polymers such as polyethene. * Aqueous aluminium ions (such as aqueous aluminium sulfate) are used to treat against fish parasites such as Gyrodactylus salaris. * In many vaccines, certain aluminium s... | Wikipedia:Aluminium |
solid food; Major sources of human oral exposure to aluminium include food (due to its use in food additives, food and beverage packaging, and cooking utensils), drinking water (due to its use in municipal water treatment), and aluminium-containing medications (particularly antacid/antiulcer and buffered aspirin formul... | Wikipedia:Aluminium |
properties * Aluminized screen, for display devices * Aluminized cloth, to reflect heat * Aluminized mylar, to reflect heat * Panel edge staining * Quantum clock Notes References Bibliography * * * * * * * * Further reading * Mimi Sheller, Aluminum Dream: The Making of Light Modernity. Cambridge, Mass.: Massachusetts I... | Wikipedia:Aluminium |
Acute disseminated encephalomyelitis (ADEM), or '''acute Demyelinating disease ADEM'ssymptoms resemble the symptoms of multiple sclerosis (MS), so the disease itself is sorted into the classification of the multiple sclerosis borderline diseases. However, ADEM has several features that distinguish it from MS. Unlike MS... | Wikipedia:Acute disseminated encephalomyelitis |
findings were not typical of classical toxic and metabolic disorders. The finding of bilateral periventricular relatively asymmetrical lesions allied with deep white matter involvement, that may also be present in cortical gray-white | Wikipedia:Acute disseminated encephalomyelitis |
agreement for a definition of multiple sclerosis. If MS were defined only by the separation in time and space of the demyelinating lesions as McDonald criteria The pathology of ADEM is very similar to that of MS with some differences. The pathological hallmark | Wikipedia:Acute disseminated encephalomyelitis |
hemorrhages, significant edema, and mass effect. Treatment No controlled clinical trials have been conducted on ADEM treatment, but aggressive treatment aimed at rapidly reducing inflammation of the | Wikipedia:Acute disseminated encephalomyelitis |
extensive T2-weighted and fluid-attenuated inversion recovery (FLAIR) white matter hyperintensities with areas of hemorrhages, significant edema, and mass effect. Treatment No controlled clinical trials have been conducted on ADEM treatment, but aggressive treatment aimed at rapidly reducing inflammation of the CNS is ... | Wikipedia:Acute disseminated encephalomyelitis |
remain in about 8 to 30% of cases, the range in severity from mild clumsiness to ataxia and hemiparesis. Research suggests that similar effects are seen after ADEM, but that the deficits are less severe than those seen in MS. A study of six children with ADEM (mean age at presentation 7.7 years) were tested for a range... | Wikipedia:Acute disseminated encephalomyelitis |
autoimmune encephalomyelitis (EAE) is also an animal model for ADEM. Being an acute monophasic illness, EAE is far more similar to ADEM than MS. See also * Optic neuritis * Transverse myelitis * meningitis-retention syndrome * Victoria Arlen References External links * * * Acute Disseminated Encephalomyelitis, Siegel R... | Wikipedia:Acute disseminated encephalomyelitis |
) Augusta Ada King, Countess of Lovelace (née Byron; 10 December 1815 – 27 November 1852), also known as Ada Lovelace, was an English mathematician and writer chiefly known for her work on Charles Babbage'sproposed mechanical general-purpose computer, the Analytical Engine. She was the first to recognise that the machi... | Wikipedia:Ada Lovelace |
of children to the father in cases of separation, Lord Byron made no attempt to claim his parental rights, but did request that his sister keep him informed of Ada'swelfare. On 21 April, Lord Byron signed the deed of separation, although very reluctantly, and left England for good a few days later. Aside from an acrimo... | Wikipedia:Ada Lovelace |
"Furies" and later complained they exaggerated and invented stories about her. Lovelace was often ill, beginning in early childhood. At the age of eight, she experienced headaches that obscured her vision. In June 1829, she was paralyzed after a bout of measles. She was subjected to continuous bed rest for nearly a yea... | Wikipedia:Ada Lovelace |
studying differential calculus, she wrote to De Morgan: I may remark that the curious transformations many formulae can undergo, the unsuspected and to a beginner apparently impossible identity of forms exceedingly dissimilar at first sight, is I think one of the chief difficulties in the early part of mathematical stu... | Wikipedia:Ada Lovelace |
and mesmerism. After her work with Babbage, Lovelace continued to work on other projects. In 1844, she commented to a friend Woronzow Greig about her desire to create a mathematical model for how the brain gives rise to thoughts and nerves to feelings ("a calculus of the nervous system"). She never achieved this, howev... | Wikipedia:Ada Lovelace |
1842. Babbage'sfriend Charles Wheatstone commissioned Lovelace to translate Menabrea'spaper into English. During a nine-month period in 1842–43, Lovelace translated Menabrea'sarticle. She then augmented the paper with notes, which | Wikipedia:Ada Lovelace |
transcript was subsequently published in the Bibliothèque universelle de Genève in October 1842. Babbage'sfriend Charles Wheatstone commissioned Lovelace to translate Menabrea'spaper into English. During a nine-month period in 1842–43, Lovelace translated Menabrea'sarticle. She then augmented the paper with notes, whic... | Wikipedia:Ada Lovelace |
Kim and Betty Alexandra Toole consider it "incorrect" to regard Lovelace as the first computer programmer. Babbage claims credit in his autobiography for the algorithm in Note G, and regardless of the extent of Lovelace'scontribution to it, she was not the very first person to write a program for the Analytical Engine,... | Wikipedia:Ada Lovelace |
her notes, Ada Lovelace emphasised the difference between the Analytical Engine and previous calculating machines, particularly its ability to be programmed to solve problems of any complexity. She realised the potential of | Wikipedia:Ada Lovelace |
did". Insight into potential of computing devices In her notes, Ada Lovelace emphasised the difference between the Analytical Engine and previous calculating machines, particularly its ability to be programmed to solve problems of any complexity. She realised the potential of the device extended far beyond mere number ... | Wikipedia:Ada Lovelace |
can follow analysis; but it has no power of anticipating any analytical relations or truths." This objection has been the subject of much debate and rebuttal, for example by Alan Turing in his paper "Computing Machinery and Intelligence". Most modern computer scientists argue that this view is outdated and that compute... | Wikipedia:Ada Lovelace |
both. The reference manual for the language was approved on 10 December 1980 and the United States Military Standard In 1981, the Association for Women in Computing inaugurated its Ada Lovelace Award. , the British Computer Society (BCS) has awarded the Lovelace Medal, and in 2008 initiated an annual competition for wo... | Wikipedia:Ada Lovelace |
was sponsored by TV presenter Konnie Huq. As of November 2015, all new British passports have included an illustration of Lovelace and Babbage. In 2017, a Google Doodle honoured her with other women on International Women's Day. On 2 February 2018, Satellogic, a high-resolution Earth observation imaging and analytics c... | Wikipedia:Ada Lovelace |
Lovelace delivers a lecture on the "punched cards" programme which proves Gödel'sincompleteness theorems decades before their actual discovery. Lovelace and Mary Shelley as teenagers are the central characters in Jordan Stratford'ssteampunk series, The Wollstonecraft Detective Agency. Lovelace features in John Crowley ... | Wikipedia:Ada Lovelace |
is named after her. * Ada Lovelace Building, the engineering mathematics building at the University of Bristol. * Ada Lovelace Building, in Exeter Science Park. * Ada Byron Building, in the Department of Computer Science and Systems Engineering at the University of Zaragoza. * Ada Byron Research Centre in University of... | Wikipedia:Ada Lovelace |
* A clone of Ada Lovelace appears in the 2023 video game Starfield (video game) * Ada Lovelace is a playable leader in Sid Meier's Civilization VII. Publications * Lovelace, Ada King. Ada, the Enchantress of Numbers: A Selection from the Letters of Lord Byron's Daughter and her Description of the First Computer. Mill V... | Wikipedia:Ada Lovelace |
Scientist, Bodleian Library, 114 pp. * Miranda Seymour, 2018, ''In Byron's Wake: The Turbulent Lives of Byron's Wife and Daughter: Annabella Milbanke and Ada Lovelace'', Pegasus, 547 pp. * Jenny Uglow (22 November | Wikipedia:Ada Lovelace |
Ada Lovelace: The Making of a Computer Scientist, Bodleian Library, 114 pp. * Miranda Seymour, 2018, ''In Byron's Wake: The Turbulent Lives of Byron's Wife and Daughter: Annabella Milbanke and Ada Lovelace'', Pegasus, 547 pp. * Jenny Uglow (22 November 2018), "Stepping Out of Byron's Shadow", The New York Review of Boo... | Wikipedia:Ada Lovelace |
of the absolute value function for real numbers In mathematics, the absolute value or modulus of a real number x, is the non-negative value without regard to its sign (mathematics) Generalisations of the absolute value for real numbers occur in a wide variety of mathematical settings. For example, an absolute value is ... | Wikipedia:Absolute value |
numbers (their absolute difference) is the distance between them. The notion of an abstract distance function in mathematics can be seen to be a generalisation of the absolute value of the difference (see #Distance Since the radical symbol This is equivalent to the definition above, and may be used as an alternative de... | Wikipedia:Absolute value |
the alternative definition for reals: nowrap The complex absolute value shares the four fundamental properties given above for the real absolute value. The identity Absolute value function of the absolute value function for real numbers of absolute value with a cubic function in different orders The real absolute value... | Wikipedia:Absolute value |
follows from positive-definiteness and multiplicativity that , where 1 denotes the multiplicative identity of. The real and complex absolute values defined above are examples of absolute values for an arbitrary field. If is an absolute value on, then the function on , defined by , is a metric and the following are equi... | Wikipedia:Absolute value |
numbers C, and quaternions H are all composition algebras with norms given by definite quadratic forms. The absolute value in these division algebras is given by the square root of the composition | Wikipedia:Absolute value |
an involution (mathematics) The real numbers R, complex numbers C, and quaternions H are all composition algebras with norms given by definite quadratic forms. The absolute value in these division algebras is given by the square root of the composition algebra norm. In general the norm of a composition algebra may be a... | Wikipedia:Absolute value |
APR April is the fourth month of the year in the Gregorian calendar April is commonly associated with the season of spring (season) History The Romans gave this month the Latin name Aprilis but the derivation of this name is uncertain. The traditional etymology is from the verb aperire, "to open", in allusion to its be... | Wikipedia:April |
official status or general observance.'' Month-long * In Catholic Church * National Pet Month (UK) United States * Arab Americans#Arab American Heritage Month * Autism Awareness Month * Cancer Control Month * Community colleges in the United States * Confederate History Month (Alabama, Florida, Georgia (U.S. State) * F... | Wikipedia:April |
Week (United States): April 19–25 * National Volunteer Week: April 19–25 * European Immunization Week: April 20–26 * Day of Silence (United States): April 24 * Pay it forward#1999 novel, film and subsequent projects * Denim Day: April 29 (International observance) * Day of Dialogue (United States) * Vaccination Week In... | Wikipedia:April |
Dark Sky Week (United States) Third Monday * Patriots' Day (Massachusetts, Maine, United States) * Queen's Official Birthday#Other countries and territories * Sechseläuten (Zurich, Switzerland) Wednesday of last full week of April * Administrative Professionals Day (Hong Kong, North America) First Thursday after April ... | Wikipedia:April |
and Belarus Day (Belarus) ** World Autism Awareness Day (International observance) * April 3 * April 4 ** Children's Day (Hong Kong, Taiwan) ** Independence Day (Senegal) ** International observance#April ** Peace Day (Angola) * April 5 ** Children's Day (Palestinian territories) ** List of food days#April ** Sikmogil ... | Wikipedia:April |
of the Book of the Law (Thelema) ** Siblings Day (International observance) * April 11 ** Juan Santamaría Day, anniversary of his death in the Second Battle of Rivas. (Costa Rica) ** International Louie Louie Day ** List of food days#April ** World Parkinson's | Wikipedia:April |
the Law (Thelema) ** Siblings Day (International observance) * April 11 ** Juan Santamaría Day, anniversary of his death in the Second Battle of Rivas. (Costa Rica) ** International Louie Louie Day ** List of food days#April ** World Parkinson's Day * April 12 ** Children's Day (Bolivia and Haiti) ** Commemoration of f... | Wikipedia:April |
celebrated on April 14 in Bangladesh) ** Last day of Songkran (Thailand) ** Tax Day, the official deadline for filing an individual Tax return (United States) ** Universal Day of Culture ** World Art Day * April 16 ** Birthday of José de Diego (Puerto Rico, United States) ** Birthday of Queen Margrethe II (Denmark) ** ... | Wikipedia:April |
World Art Day * April 16 ** Birthday of José de Diego (Puerto Rico, United States) ** Birthday of Queen Margrethe II (Denmark) ** Emancipation Day (Washington, D.C., United States) ** Foursquare Day (International observance) ** Memorial Day for the Victims of the Holocaust (Hungary) ** List of awareness days#April ** ... | Wikipedia:April |
(Rastafari movement) ** Public holidays in Mexico#Civic holidays ** Public holidays in North Korea ** Kartini Day (Indonesia) ** Public holidays in Russia ** Arbor Day#Kenya ** San Jacinto Day (Texas) ** Queen's Official Birthday#Other countries and territories ** Public holidays in Brazil ** Vietnam Book Day (Vietnam)... | Wikipedia:April |
(Indonesia) ** Public holidays in Russia ** Arbor Day#Kenya ** San Jacinto Day (Texas) ** Queen's Official Birthday#Other countries and territories ** Public holidays in Brazil ** Vietnam Book Day (Vietnam) * April 22 ** Discovery Day (Brazil) ** Earth Day (International observance) and its related observance: *** Inte... | Wikipedia:April |
Parental Alienation Awareness Day ** Red Hat Society Day ** Sinai Liberation Day (Egypt) ** World Malaria Day * April 26 ** Chernobyl disaster related observances: *** International Duties Memorial Day *** Day of Remembrance of the Chernobyl tragedy (Belarus) ** Confederate Memorial Day (Florida, United States) ** Hug ... | Wikipedia:April |
** World Malaria Day * April 26 ** Chernobyl disaster related observances: *** International Duties Memorial Day *** Day of Remembrance of the Chernobyl tragedy (Belarus) ** Confederate Memorial Day (Florida, United States) ** Hug A Friend Day ** Lesbian Visibility Day ** List of food days#April ** Old Permic alphabet ... | Wikipedia:April |
and Slovakia) *** Walpurgis Night (Central and Northern Europe) ** Persian Gulf naming dispute#National Persian Gulf Day ** Reunification Day (Vietnam) ** Public holidays in Russia#Popular holidays which are not public holidays ** Tax return (Canada) ** Teachers' | Wikipedia:April |
(Czech Republic and Slovakia) *** Walpurgis Night (Central and Northern Europe) ** Persian Gulf naming dispute#National Persian Gulf Day ** Reunification Day (Vietnam) ** Public holidays in Russia#Popular holidays which are not public holidays ** Tax return (Canada) ** Teachers' Day (Paraguay) See also * Germanic calen... | Wikipedia:April |
Aug in the August calendar page of the Queen Mary Psalter (fol. 78v), ca. 1310 August is the eighth month of the year in the Julian calendar In the Southern Hemisphere, August is the seasonal equivalent of February in the Northern Hemisphere. In the Northern Hemisphere, August falls in summer. In the Southern Hemispher... | Wikipedia:August |
this is an invention of the 13th century scholar Johannes de Sacrobosco. Sextilis had 31 days before it was renamed. It was not chosen for its length. Symbols gemstones stone on calciteAugust'sbirthstones are the peridot, sardonyx, and spinel. Its birth flower is the gladiolus or poppy, meaning beauty, strength of char... | Wikipedia:August |
Peach Month (Australia) * See also Movable Western Christian observances * See also Movable Eastern Christian observances Second to last Sunday in July and the following two weeks * Construction Holiday (Quebec) 1st Saturday * Food Day (Canada) * Brewers Association * List of food days#August 1st Sunday * Armed Forces ... | Wikipedia:August |
Rhode Island, United States) 2nd Tuesday * Public holidays in Zimbabwe 3rd Saturday * National Honey Bee Day (United States) 3rd Sunday * Children's Day (Argentina, Peru) * National Grandparents Day 3rd Monday * Discovery Day (Yukon, Canada) * Hartjesdag * National Mourning Day (Bangladesh) 3rd Friday * Hawaii Admissio... | Wikipedia:August |
** Republic Day (North Macedonia) * August 3 ** Public holidays in Guinea-Bissau ** Public holidays in Equatorial Guinea ** Esther Earl#Esther Day ** Flag Day (Venezuela) ** Independence Day (Niger) *** Arbor Day (Niger) | Wikipedia:August |
** Armed Forces Day#Russian Federation ** Republic Day (North Macedonia) * August 3 ** Public holidays in Guinea-Bissau ** Public holidays in Equatorial Guinea ** Esther Earl#Esther Day ** Flag Day (Venezuela) ** Independence Day (Niger) *** Arbor Day (Niger) ** Armed Forces Day#Venezuela ** List of food days#August **... | Wikipedia:August |
background ** List of food days#August * August 11 ** Flag Day (Pakistan) ** List of national independence days ** Mountain Day (Japan) * August 12 ** Glorious Twelfth (United Kingdom) ** Sirikit ** International Youth Day (United Nations) ** Public holidays in Russia#List of | Wikipedia:August |
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