March 11: Commonwealth Day in the Commonwealth of Nations (2024); National Heroes and Benefactors Day in Belize (2024)Premiere poster of Rigoletto1851 The first performance of Verdi's Rigoletto took place at La Fenice in Venice (poster pictured).1864 The Great Sheffield Flood killed at least 240 people and damaged more than 600 homes, after a crack in the dam holding the Dale Dike Reservoir caused it to fail.1993 The U.S. Senate unanimously confirmed Janet Reno as the first female United States attorney general.2007 Georgian authorities accused Russia of orchestrating a helicopter attack in the Kodori Valley, in the breakaway territory of Abkhazia.Mary of Woodstock (b.1278)Stanisaw Koniecpolski (d.1646)Ralph Abernathy (b.1926)Gladys Pearl Baker (d.1984)More anniversaries: March 10March 11March 12ArchiveBy emailList of days of the yearAbout