The operation, codenamed “W Hour,” was launched by the Polish underground resistance movement, primarily the Home Army (Armia Krajowa), with the objective of liberating Warsaw from Nazi occupation before the arrival of Soviet forces.
Napoleon’s Grande Armée began its failed invasion of Russia when it crossed the Neman River in what Russians refer to as the Patriotic War of 1812.
The USSR and seven other European countries signed the Treaty of Friendship, Cooperation, and Mutual Assistance better known as the Warsaw Pact.
28th June 2015
11th November 2025
11th November 2025
1st September 2018
9th November 2019
