W W II T I M E - L I N E
| Year | Date | Event |
| 1939 | 01 September | World War II breaks out. Germany attacks Western Poland. |
| 1939 | 17 September | The Red Army invades Kresy (Eastern Borderlands of Poland). |
| 1940 | 09-10 February | First deportation of Poles from their homes in Kresy takes place. |
| 1940 | 12-13 April | Second deportation |
| 1940 | 28-29 June | Third deportation |
| 1941 | 13-22 June | Fourth deportation |
| 1941 | 30 July | The Polish-Soviet Agreement [Sikorski-Maisky pact] is signed. |
| 1941 | 12 August | Amnesty is granted for all Poles in the Soviet Union; the formation of Polish units in the USSR begins. |
| 1942 | March | A total of 45,000 Polish soldiers and 25,500 civilians are taken by train and by ship from Central Asia to Iran. |
| 1942 | 24 March | The first ship leaves Krasnovodsk in Turkistan. |
| 1942 | 08-30 August | The second evacuation begins and continues for a couple of months: a total of 33,000 military but only 11,000 civilians leave. |
| 1943 - 1944 | December 1943 - mid-April 1944 | The Polish 2nd Corps, under the command of General W Anders, lands in Italy. |
| 1944 | 26 April | The Polish Heavy Artillery Corps is moved into position on Monte Cassino. |
| 1944 | 04 May | The Polish 2nd Corps reaches Monte Cassino in Italy. |
| 1944 | 11-18 May | The offensive starts with an artillery barrage at 23.00; the Polish 2nd Corps engages in the 4th Battle of Monte Cassino which ends in the capture of the Monastery Hill, thus securing the opening of the road to Rome for the Allied forces. |
| 1944 | 18 May | At 09.50 a banner of the 12th Podolski Cavalry Regiment is placed on the highest point of the ruins of the Monastery at Monte Cassino. |
| 1944 | 18 May | Emil Czech of the 12th Podolski Cavalry Regiment plays the 'Mary Bugle' (Hejnal Mariacki) in front of the Monastery at Monte Cassino. |
| 1944 | 16 June-18 July | The Battle of Ancona leads to the capture of this port by the Polish 2nd Corps. |
| 1944 | November- December | Tehran Conference takes place. |
| 1945 | January | The Polish 2nd Corps reaches the River Senio, initiating three months of static warfare in preparation for the assault on Bologna. |
| 1945 | 04-11 February | Yalta Conference takes place. |
| 1945 | 09-21 April | Bologna is taken by the Polish 2nd Corps. |
| 1945 | 08 May | World War II ends! V-E Day. |