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Mercedonius
Mercedonius (Latin for "Work Month"),. also known as Mercedinus, Interkalaris or Intercalaris (), was the intercalary month of the Roman calendar. The resulting leap year was either 377 or 378 days long. It theoretically occurred every two (or occasionally three) years, but was sometimes avoided or employed by the Roman pontiffs for political reasons regardless of the state of the solar year. Mercedonius was eliminated by Julius Caesar when he introduced the Julian calendar in 45 BC. History This month, instituted according to Roman tradition by Numa Pompilius, was supposed to be inserted every two or three years to align the conventional 355-day Roman year with the solar year. The decision of whether to insert the intercalary month was made by the pontifex maximus, supposedly based on observations to ensure the best possible correspondence with the seasons. However, the pontifex maximus would normally be an active politician, and the decision would often be manipulated to allo ...
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Roman Calendar
The Roman calendar was the calendar used by the Roman Kingdom and Roman Republic. Although the term is primarily used for Rome's pre-Julian calendars, it is often used inclusively of the Julian calendar established by Julius Caesar in 46 BC. According to most Roman accounts, #Romulus, their original calendar was established by their Roman legend, legendary list of kings of Rome, first king Romulus. It consisted of ten months, beginning in spring with March and leaving winter as an unassigned span of days before the next year. These months each had 30 or 31 days and ran for 38 nundinal cycles, each forming a kind of eight-day weeknine days inclusive counting, counted inclusively in the Roman mannerand ending with religious rituals and a Roman commerce, public market. This fixed calendar bore traces of its origin as an observational calendar, observational lunar calendar, lunar one. In particular, the most important days of each monthits kalends, nones (calendar), nones, a ...
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Julian Calendar
The Julian calendar is a solar calendar of 365 days in every year with an additional leap day every fourth year (without exception). The Julian calendar is still used as a religious calendar in parts of the Eastern Orthodox Church and in parts of Oriental Orthodox Churches, Oriental Orthodoxy as well as by the Amazigh, Amazigh people (also known as the Berbers). The Julian calendar was proposed in 46 BC by (and takes its name from) Julius Caesar, as a reform of the earlier Roman calendar, which was largely a lunisolar calendar, lunisolar one. It took effect on , by his edict. Caesar's calendar became the predominant calendar in the Roman Empire and subsequently most of the Western world for more than 1,600 years, until 1582 when Pope Gregory XIII promulgated a revised calendar. Ancient Romans typically designated years by the names of ruling consuls; the ''Anno Domini'' system of numbering years was not devised until 525, and became widespread in Europe in the eighth cent ...
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Leap Year
A leap year (also known as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) compared to a common year. The 366th day (or 13th month) is added to keep the calendar year synchronised with the astronomical year or seasonal year. Since astronomical events and seasons do not repeat in a Natural number, whole number of days, calendars having a constant number of days each year will unavoidably drift over time with respect to the event that the year is supposed to track, such as seasons. By inserting ("Intercalation (timekeeping), intercalating") an additional day—a leap day—or month—a leap month—into some years, the drift between a civilization's dating system and the physical properties of the Solar System can be corrected. An astronomical year lasts slightly less than 365 days. The historic Julian calendar has three common years of 365 days followed by a leap year of 366&nb ...
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Fasti Triumphales
The ''Acta Triumphorum'' or ''Triumphalia'', better known as the ''Fasti Triumphales'', or Triumphal Fasti, is a calendar of Roman magistrates honoured with a celebratory procession known as a ''triumphus'', or triumph, in recognition of an important military victory, from the earliest period down to 19 BC. Together with the related '' Fasti Capitolini'' and other, similar inscriptions found at Rome and elsewhere, they form part of a chronology referred to by various names, including the ''Fasti Annales'' or ''Historici'', ''Fasti Consulares'', or Consular Fasti, and frequently just the ''fasti''.''Oxford Classical Dictionary'', 2nd Ed., pp. 429, 430 ("Fasti"). The ''Triumphales'' were originally engraved on marble tablets, which decorated one of the structures in the Roman forum. They were discovered in a fragmentary state as the portion of the forum where they were located was being cleared to provide building material for St. Peter's Basilica in 1546. Recognized by scholar ...
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Undecimber
Undecimber or Undecember is a name for a thirteenth month in a calendar that normally has twelve months. Etymology The word ''undecimber'' is based on the Latin word ''undecim'' meaning "eleven". It is formed in analogy with ''December,'' which, though the twelfth month in the Gregorian calendar, derives from ''decem'' meaning "ten". The Oxford Latin Dictionary defines it as "a humorous name given to the month following December". Roman use Some modern authors, including the World Calendar Association and Isaac Asimov. have reported the names "Undecember" and "Duodecember" for the two intercalary months inserted between November and December upon the adoption of the Julian calendar in 44 BC. This claim has no contemporary evidence; Cicero refers to the months as "''intercalates prior'' and ''intercalates posterior"'' in his letters. Historian Cassius Dio tells that Licinus, procurator of Gaul, added two months to the year 15 BC, because taxes were paid by the month. Dio, who wr ...
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Latin Language
Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area around Rome, Italy. Through the expansion of the Roman Republic, it became the dominant language in the Italian Peninsula and subsequently throughout the Roman Empire. It has greatly influenced many languages, Latin influence in English, including English, having contributed List of Latin words with English derivatives, many words to the English lexicon, particularly after the Christianity in Anglo-Saxon England, Christianization of the Anglo-Saxons and the Norman Conquest. Latin Root (linguistics), roots appear frequently in the technical vocabulary used by fields such as theology, List of Latin and Greek words commonly used in systematic names, the sciences, List of medical roots, suffixes and prefixes, medicine, and List of Latin legal terms ...
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Season
A season is a division of the year based on changes in weather, ecology, and the number of daylight hours in a given region. On Earth, seasons are the result of the axial parallelism of Earth's axial tilt, tilted orbit around the Sun. In temperate and polar regions, the seasons are marked by changes in the intensity of sunlight that reaches the Earth's surface, variations of which may cause animals to undergo hibernation or to Migration (ecology), migrate, and plants to be dormant. Various cultures define the number and nature of seasons based on regional variations, and as such there are a number of both modern and historical definitions of the seasons. The Northern Hemisphere experiences most direct sunlight during May, June, and July (thus the traditional celebration of Midsummer in June), as the hemisphere faces the Sun. For the Southern Hemisphere it is instead in November, December, and January. It is Earth's axial tilt that causes the Sun to be higher in the sky during the ...
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Adar
Adar (Hebrew: , ; from Akkadian ''adaru'') is the sixth month of the civil year and the twelfth month of the religious year on the Hebrew calendar, roughly corresponding to the month of March in the Gregorian calendar. It is a month of 29 days. Names and leap years The month's name, like all the others from the Hebrew calendar, was adopted during the Babylonian captivity. In the Babylonian calendar the name was Araḫ Addaru or Adār ('Month of Adar'). In leap years, it is preceded by a 30-day intercalary month named Adar Aleph (, ''aleph'' being the first letter of the Hebrew alphabet), also known as "Adar Rishon" (''First Adar'') or "Adar I", and it is then itself called Adar Bet (, '' bet'' being the second letter of the Hebrew alphabet), also known as "Adar Sheni" (''Second Adar'') or "Adar II". Occasionally instead of Adar I and Adar II, "Adar" and "Ve'Adar" are used (Ve means 'and' thus: And-Adar). Adar I and II occur during February–March on the Gregorian calendar. ...
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Elias Joseph Bickerman
Elias Bickerman (July 7, 1897 O.S. – August 31, 1981), also spelled as Bickermann or Bikerman, was a leading scholar of Greco-Roman history and the Hellenistic world. Biography Bickerman was born in Kishinev, then part of the Russian Empire, to a secular Jewish family. He left Russia during the Bolshevik revolution and the Russian Civil War for Germany, where he received education from German classicists and Hellenists. Due to the rise of the Nazi Party to power and his Jewish heritage, he fled to France. He soon had to abandon that country as well after the Battle of France. From 1942, he lived in the United States. His research interests extended to Judaism and some aspects of Iranian history. For most of his career, he was Professor of Ancient History at Columbia University, New York. Work Bickerman's scholarship of the Maccabean revolt was highly influential. Rather than the more traditionalist reading of an evil Seleucid king fighting a unified Jewish opposition, ...
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Henry Liddell
Henry George Liddell (; 6 February 1811– 18 January 1898) was Dean (college), dean (1855–1891) of Christ Church, Oxford, Vice-Chancellor of Oxford University (1870–1874), headmaster (1846–1855) of Westminster School (where a house is now named after him), author of ''A History of Rome'' (1855), and co-author (with Robert Scott (philologist), Robert Scott) of the monumental work ''A Greek–English Lexicon'', known as "Liddell and Scott", which is still widely used by students of Greek. Lewis Carroll wrote ''Alice's Adventures in Wonderland'' for Henry Liddell's daughter Alice Liddell, Alice. Life Liddell received his education at Charterhouse School, Charterhouse and Christ Church, Oxford. He gained a double first degree in 1833, then became a college tutor, and was ordained in 1838. Liddell was Headmaster of Westminster School from 1846 to 1855. Meanwhile, his life work, the great lexicon (based on the German work of Franz Passow), which he and Robert Scott (philolo ...
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Christian Ludwig Ideler
Christian Ludwig Ideler (; ; 21 September 1766 – 10 August 1846) was a German chronologist and astronomer. Life He was born in Gross-Brese near Perleberg. His earliest work was the editing in 1794 of an astronomical almanac for the Prussian government. He taught mathematics and mechanics in the school of woods and forests, and also in the military school. In 1821, he became professor at the University of Berlin, and in 1829 became a foreign member of the Institute of France. From 1816 to 1822, he was tutor to the young princes William Frederick and Charles. He died in Berlin Berlin ( ; ) is the Capital of Germany, capital and largest city of Germany, by both area and List of cities in Germany by population, population. With 3.7 million inhabitants, it has the List of cities in the European Union by population withi ... on 10 August 1846. This source reports Ideler becoming a member of the French Institute 18 years after becoming a professor in Berlin. Works He devoted ...
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