On May 9, 2017, Russia is celebrating the victory over Nazi Germany in the Great Patriotic War and the end of WWII in Europe. Russia's celebrations on May 9 start with military parades across the country with the most famous taking place on the Red Square in Moscow and concludes with fireworks in the evening.
The Great Patriotic War (1941-1945) was a crucial part of World War II
(1939-1945). It began on June 22, 1941, when Germany attacked the Soviet
Union. Germany signed the Act of Unconditional Surrender in a suburb
of Berlin in the late evening of May 8, 1945 (already May 9 according
to Moscow time).