| January |
| 6th |
Soviet troops advance into Poland |
| 17th |
First attack toward Cassino, Italy |
| 22nd |
Allies land at Anzio |
| 27th |
Leningrad relieved after a 900-day siege |
| February |
| 15th |
Allies bomb the monastery at Monte Cassino |
| 16th |
Germans counter-attack against the Anzio beachhead |
| March |
| 4th |
Soviet troops begin an offensive on the Belorussian front; First major daylight bombing raid on Berlin by the Allies |
| 15th |
Second Allied attempt to capture Monte Cassino begins |
| 18th |
British drop 3000 tons of bombs during an air raid on Hamburg |
| April |
| 8th |
Soviet troops begin an offensive to liberate Crimea |
| May |
| 9th |
Soviet troops recapture Sevastopol |
| 11th |
Allies attack the Gustav Line south of Rome |
| 12th |
Germans surrender in the Crimea |
| 15th |
Germans withdraw to the Adolf Hitler Line |
| 25th |
Germans retreat from Anzio |
| June |
| 5th |
Allies enter Rome |
| 6th |
The day of the D-Day Landings |
| 9th |
Soviet offensive against the Finnish front begins |
| 10th |
Nazis liquidate the town of Oradour-sur-Glane in France |
| 13th |
First German V-1 rocket attack on Britain |
| 22nd |
Operation Bagration begins (the Soviet summer offensive) |
| 27th |
U.S. troops liberate Cherbourg |
| July |
| 3rd |
'Battle of the Hedgerows' in Normandy; Soviets capture Minsk |
| 9th |
British and Canadian troops capture Caen |
| 18th |
U.S. troops reach St. Lô |
| 20th |
German assassination attempt on Hitler fails |
| 24th |
Soviet troops liberate first concentration camp at Majdanek |
| 25th |
Operation Cobra (U.S. troops break out west of St. Lô) |
| 28th |
Soviet troops take Brest-Litovsk. U.S. troops take Coutances |
| August |
| 1st |
Polish Home Army uprising against Nazis in Warsaw begins; U.S. troops reach Avranches |
| 4th |
Anne Frank and family arrested by the Gestapo in Amsterdam, Holland |
| 7th |
Germans begin a major counter-attack toward Avranches |
| 15th |
Operation Dragoon begins (the Allied invasion of Southern France) |
| 19th |
Resistance uprising in Paris |
| 19th |
Soviet offensive in the Balkans begins with an attack on Romania |
| 20th |
Allies encircle Germans in the Falaise Pocket |
| 25th |
The liberation of Paris by Allied forces |
| 29th |
Slovak uprising begins |
| 31st |
Soviet troops take Bucharest |
| September |
| 1st |
Verdun, Dieppe, Artois, Rouen, Abbeville, Antwerp and Brussels liberated by Allies |
| 4th |
Finland and the Soviet Union agree to a cease-fire |
| 13th |
U.S. troops reach the Siegfried Line |
| 17th |
Operation Market Garden begins (Allied airborne assault on Holland) |
| 26th |
Soviet troops occupy Estonia |
| October |
| 2nd |
Warsaw Uprising ends as the Polish Home Army surrenders to the Germans |
| 10th |
Soviet troops capture Riga |
| 14th |
Allies liberate Athens |
| 14th |
Rommel commits suicide |
| 21st |
Massive German surrender at Aachen |
| 30th |
Last use of gas chambers at Auschwitz |
| November |
| 20th |
French troops drive through the 'Beffort Gap' to reach the Rhine |
| 24th |
French capture Strasbourg |
| December |
| 16th |
Battle of the Bulge starts in the Ardennes |
| 17th |
Waffen SS murder 81 U.S. POWs at Malmedy |
| 26th |
Patton relieves Bastogne |
| 27th |
Soviet troops besiege Budapest |