What is April 20?
{{calendar}} {{day}} == Events == === Up to 1900 === * [[1303]] &ndash; [[University of Rome]] [[La Sapienza]] is founded by [[Pope Boniface VIII]]. * [[1453]] &ndash; Last naval [[battle]] in [[Byzantine Empire|Byzantine]] [[history]], as three [[Genoa|Genoese]] galleys escorting a Byzantine transport fight their way through the huge [[Ottoman Empire|Ottoman]] blockade fleet into the Golden Horn. * [[1534]] &ndash; [[Jacques Cartier]] sets sail from [[France]] on an expedition that will take him to present-day [[Canada]], including [[Labrador, Canada|Labrador]]. * [[1653]] &ndash; [[Oliver Cromwell]] dissolves the Rump parliament. * [[1657]] &ndash; Freedom of [[religion]] is granted to [[Judaism|Jews]] in [[New Amsterdam]], present-day [[New York City]]. * [[1689]] &ndash; [[James II of England]]/[[James VII of Scotland]] lays [[siege]] to [[Derry]] in present-day [[Northern Ireland]]. * [[1770]] &ndash; [[Irekle II]], [[King]] of [[Georgia (country)|Georgia]], abandoned by his [[Russia]]n ally Count Totleben, wins against [[Ottoman Empire]] forces at Aspindza. * [[1775]] &ndash; [[American Revolutionary War]]: The [[Siege of Boston]] begins. * [[1792]] &ndash; [[France]] declares war on [[Francis II, Holy Roman Emperor]]. * [[1810]] &ndash; The Governor of [[Caracas]] ([[Venezuela]]), declares independence from [[Spain]]. * [[1828]] &ndash; [[René Caillié]] becomes the first non–[[Islam|Muslim]] to enter [[Timbuktu]]. * [[1836]] &ndash; [[United States Congress]] passes the act creating the [[Wisconsin]] [[territory]]. * [[1862]] &ndash; [[Louis Pasteur]] and [[Claude Bernard]] complete the first [[pasteurization]] process. * [[1876]] &ndash; The [[April]] Uprising begins in [[Bulgaria]]. * [[1887]] &ndash; The first [[car]] race is held in [[France]], on a course running from [[Paris]] to [[Versailles]]. * [[1889]] &ndash; [[Nazi]] leader [[Adolf Hitler]] is born in [[Braunau am Inn]], [[Austria]]. === 1901 &ndash; 2000 === * [[1902]] &ndash; [[Marie Curie]] and [[Pierre Curie]] refine [[Radium]]. * [[1912]