April 1940

Chronology of World War II

April 1940

Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
	1 France, Home Front Germany, Planning	2 Air Operations, Europe Battle of the Atlantic Western Front	3 Air Operations, Europe Allied Planning Battle of the Atlantic Britain, Politics North Sea	4 Air Operations, Europe Germany, Home Front North Sea	5 Atlantic Britain, Politics Diplomatic Relations Occupied Poland	6 Air Operations, Europe Battle of the Atlantic German Raiders Germany
7 Atlantic Battle of the Atlantic Norway	8 Battle of the Atlantic Norway	9 Denmark Norway	10 Battle of the Atlantic Denmark Iceland Norway	11 Air Operations, Europe Norway	12 Battle of the Atlantic Norway United States, Policy	13 Air Operations, Europe Battle of the Atlantic Norway
14 Air Operations, Europe Battle of the Atlantic Norway	15 Air Operations, Europe Battle of the Atlantic Denmark Norway Secret War Western Front	16 Battle of the Atlantic Diplomatic Relations Norway	17 Battle of the Atlantic Norway	18 Battle of the Atlantic Norway	19 Air Operations, Europe Norway	20 Air Operations, Europe Battle of the Atlantic Norway Occupied Denmark
21 Air Operations, Europe Battle of the Atlantic Norway	22 Norway	23 Air Operations, Europe Battle of the Atlantic Britain, Home Front Norway	24 Battle of the Atlantic Norway	25 Battle of the Atlantic Norway Rumania	26 Battle of the Atlantic Norway	27 Battle of the Atlantic Norway Occupied Poland
28 Battle of the Atlantic Diplomatic Relations Norway	29 Battle of the Atlantic Norway	30 Air Operations, Europe Battle of the Atlantic Norway Occupied Poland