January 1, 1944
1944 military operation
1944 battle in the Lapland War
1944 battle around Kohima, Nagaland, India
1944 campaign in World War 2
1944 Winter Olympics — edition of the Winter Olympics, scheduled in Cortina d'Ampezzo, Italy, canceled due to World War II
Raid on Drvar — 1944 military operation against Yugoslav Partisans
1944 Summer Olympics — Games of the XIII Olympiad, scheduled in London, United Kingdom, canceled due to World War II
Post-WW2 pogroms and massacres of Jews in Poland
Deportation of the Chechens and Ingush — ethnic cleansing of Chechens and Ingush in the Soviet Union under Joseph Stalin
World War II battle in Romania between USSR and Axis Forces (1944)