1862 New Orleans fell to Union forces during Civil War
1916 Easter Rebellion: Martial law in Ireland is lifted and the rebellion is officially over with the surrender of Irish nationalists to British authorities in Dublin.
1945 Adolf Hitler marries his long-time partner Eva Braun in a Berlin bunker and designates Admiral Karl Dnitz as his successor.
1945 US liberates Nazi concentration camp in Dachau, Germany
2004 Dick Cheney and George W. Bush testify before the 9/11 Commission in a closed, unrecorded hearing in the Oval Office.