2243 Lönnrot
43 may refer to: * 43 (number) * one of the years 43 BC, AD 43, 1943, 2043 * Licor 43, also known as "Cuarenta Y Tres" ("Forty-three" in Spanish) * George W. Bush, 43rd president of the United States, nicknamed "Bush 43" to distinguish from his father * "Forty Three", a song by Karma to Burn from the album ''Appalachian Incantation'', 2010 * 43 Ariadne, a main-belt asteroid * 43rd Regiment * The international calling code for Austria Austria, formally the Republic of Austria, is a landlocked country in Central Europe, lying in the Eastern Alps. It is a federation of nine Federal states of Austria, states, of which the capital Vienna is the List of largest cities in Aust ...

43 (number)
43 (forty-three) is the natural number following 42 (number), 42 and preceding 44 (number), 44. Mathematics 43 is a prime number, and a twin prime of 41 (number), 41. 43 is the smallest prime that is not a Chen prime. 43 is also a Wagstaff prime, and a Heegner number. 43 is the fourth term of Sylvester's sequence. 43 is the largest prime which divides the order of the Janko group J4, Janko group J4. Netherlands, Dutch mathematician Hendrik Lenstra wrote a mathematical research paper discussing the properties of the number, titled ''Ode to the number 43.'' Notes Further reading Hendrik Lenstra, Lenstra, Hendrik (2009)''Ode to the number 43''
(In Dutch). Nieuw Archief voor Wiskunde, Nieuw Arch. Wiskd. Amsterdam, NL: Koninklijk Wiskundig Genootschap (5) 10, No. 4: 240-244. {{Integers, zero Integers ...
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43 BC
__NOTOC__ Year 43 BC was either a common year starting on Sunday, Monday or Tuesday or a leap year starting on Sunday or Monday of the Julian calendar (the sources differ, see leap year error for further information) and a common year starting on Monday of the Proleptic Julian calendar. At the time, it was known as the Year of the Consulship of Pansa and Hirtius (or, less frequently, year 711 ''Ab urbe condita''). The denomination 43 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Events By place Roman Republic * Consuls: Gaius Vibius Pansa Caetronianus and Aulus Hirtius. The Roman Senate confirms Octavian as propraetor with joint responsibility for the campaign against Antony. Hirtius and Octavian mobilize troops for the march to Mutina, while Pansa continues the levy. Embassy dispatched to treat with Antony. * January 7 – Octavian is given '' imperium' ...
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AD 43
AD 43 ( XLIII) was a common year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Caesar and Vitellius (or, less frequently, year 796 ''Ab urbe condita''). The denomination AD 43 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Events By place Britain * Roman conquest of Britain: ** May – Aulus Plautius, crossing (probably) from Boulogne (Bononia) in the Classis Britannica, lands with four Roman legions (20,000 men) and the same number of auxiliaries at Rutupiae (probably modern Richborough) on the east coast of Kent. General ( future emperor) Vespasian plays a major role in the defeat of the Britons led by the brothers Caratacus and Togodumnus (leaders of the Catuvellauni) in the 2-day Battle of the MedwayCassius Dio, ''Roman History''. (probably at the river near Rochester) and the Romans driv ...
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1943
Events Below, the events of World War II have the "WWII" prefix. January * January 1 – WWII: The Soviet Union announces that 22 German divisions have been encircled at Stalingrad, with 175,000 killed and 137,650 captured. * January 4 – WWII: Greek-Polish athlete and saboteur Jerzy Iwanow-Szajnowicz is executed by the Germans at Kaisariani. * January 10 – WWII: Guadalcanal Campaign: American forces of the 2nd Marine Division and the 25th Infantry Division begin their assaults on the Galloping Horse and Sea Horse on Guadalcanal. Meanwhile, the Japanese 17th Army makes plans to abandon the island and after fierce resistance withdraws to the west coast of Guadalcanal. * January 11 ** The United States and United Kingdom revise previously unequal treaty relationships with the Republic of China. ** Italian-American anarchist Carlo Tresca is assassinated in New York City. * January 12 – WWII: Landing at Amchitka: American forces make an unopposed landing on A ...
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