May 1940

Chronology of World War II

May 1940

Sunday	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday
			1 Battle of the Atlantic China Diplomatic Relations Hawaii Norway Western Front	2 Diplomatic Relations Norway	3 Air Operations, Europe German Raiders Norway Secret War Western Front	4 Battle of the Atlantic Holland Norway Secret War
5 Norway	6 Battle of the Atlantic Diplomatic Relations Norway Secret War	7 Battle of the Atlantic Britain, Politics Holland Secret War	8 Battle of the Atlantic Britain, Politics Secret War Soviet Union, Command Western Front	9 Air Operations, Europe Battle of the Atlantic Britain, Home Front France, Politics Secret War Western Front	10 Air Operations, Europe Atlantic Battle of the Atlantic Britain, Politics Diplomatic Relations Iceland Luxembourg North Sea Norway Western Front	11 Air Operations, Europe Battle of the Atlantic Britain, Home Front Caribbean Diplomatic Relations Western Front
12 Air Operations, Europe Battle of the Atlantic Britain, Home Front Norway Western Front	13 Air Operations, Europe Battle of the Atlantic Britain, Home Front Norway Western Front	14 Air Operations, Europe Battle of the Atlantic Britain, Home Front Diplomatic Relations Norway Western Front	15 Air Operations, Europe Atlantic Battle of the Atlantic Britain, Planning Holland, Politics Norway United States, Home Front Western Front	16 Air Operations, Europe China Diplomatic Relations United States, Politics Western Front	17 Air Operations, Europe Atlantic Battle of the Atlantic Caribbean Norway United States, Home Front Western Front	18 Air Operations, Europe Battle of the Atlantic Britain, Home Front Diplomatic Relations France, Politics Holland, Home Front Norwegian Sea Secret War Western Front
19 Air Operations, Europe Battle of the Atlantic Britain, Home Front Western Front	20 Air Operations, Europe Secret War Western Front	21 Air Operations, Europe Atlantic Battle of the Atlantic Germany, Planning Norway Western Front	22 Air Operations, Europe Allied Planning Atlantic Battle of the Atlantic Britain, Home Front Secret War Western Front	23 Air Operations, Europe Atlantic Battle of the Atlantic Britain, Home Front United States, Politics Western Front	24 Air Operations, Europe Allied Planning Atlantic Battle of the Atlantic Secret War Western Front	25 Atlantic Battle of the Atlantic Britain, Home Front Secret War Western Front
26 Air Operations, Europe Atlantic Britain, Command Britain, Home Front Norway Secret War Western Front, Dunkirk	27 Atlantic Battle of the Atlantic Diplomatic Relations Norway Western Front, Dunkirk	28 Air Operations, Europe Atlantic Battle of the Atlantic Belgium Italy Norway Western Front, Dunkirk	29 Air Operations, Europe Atlantic Battle of the Atlantic Diplomatic Relations Norway Occupied Holland Western Front, Dunkirk	30 Atlantic Battle of the Atlantic Italy Mediterranean Western Front, Dunkirk	31 Air Operations, Europe Battle of the Atlantic Britain, Home Front China Diplomatic Relations Norway United States, Politics Western Front Western Front, Dunkirk