November 20: Transgender Day of RemembranceGraffiti from the occupation of Alcatraz284 Diocletian became Roman emperor, eventually establishing reforms that ended the Crisis of the Third Century.1739 War of Jenkins' Ear: A British naval force arrived at the settlement of Portobello in the Spanish Main, capturing it the next day.1969 A group of Native American activists began a 19-month occupation (graffiti pictured) of Alcatraz Island in San Francisco Bay.1979 Armed insurgents attacked and took over the Masjid al-Haram in Mecca, declaring that one of their leaders was the Mahdi, the prophesied redeemer of Islam.1994 In accordance with the Lusaka Protocol, the Angolan government signed a ceasefire with UNITA rebels in a failed attempt to end the Angolan Civil War.Carl Axel Arrhenius (d.1824)Benoit Mandelbrot (b.1924)Meredith Whitney (b.1969)Ancel Keys (d.2004)More anniversaries: November 19November 20November 21ArchiveBy emailList of days of the yearAbout