| 1942 | July | 27 | Heavy RAF incendiary attack on Hamburg. |
| 1944 | July | 27 | 27 July to 10 August: Battles on the Tannenberg Line. At the start of the battles there are 25 Estonian and 24 Dutch, Danish and Flemish infantry battalions on the German side at the Narva Front. The artillery forces, and the tank, engineer and other special units are composed mainly of Germans. The attack by the Soviet Armed Forces is stopped, tens of thousands of men are killed in both sides. |