- Apr 6 1st credit union forms in US
Peary's Arctic Expedition
Apr 6 North Pole almost reached by American explorers Robert Peary and Matthew Henson. Navigational errors discovered decades later in the travel log likely place the expedition a few miles short.
- Apr 9 The US Congress pass the Payne-Aldrich bill, raising certain tariffs on goods entering the United States
- Apr 11 Establishment of Tel Aviv by Jewish settlers (named 1910)
- Apr 12 Philadelphia's Shibe Park (later Connie Mack Stadium), baseball's first steel and concrete stadium, opens; Athletics win 8-1 against Boston Red Sox
- Apr 13 In Constantinople the primarily Albanian First Army Corps seizes the parliament building and telegraphs offices, forcing the Ottoman statesman Hilmi Pasha to resign
- Apr 14 Anglo-Persian Oil Company forms in London
Beatification of Joan of Arc
Apr 18 Joan of Arc receives beatification by the Roman Catholic Church at St. Peter's Basilica in the Vatican
Admirals
Aviators
Gangsters
Generals
Industrialists
Suffragists