Vistula-Oder Offensive, from 12 January until 2 February 1945 Malta Conference, from 30 January to 3 February 1945 Yalta Conference, from 4 to 11 February 1945 Battle of Königsberg, from 6 April until 9 April 1945 Battle of the Oder-Neisse, from 16 April until 19 April 1945 Potsdam Conference, from 17 July to 2 August 1945