In Russia, the end of World War II is traditionally celebrated with a large military parade on May 9, commonly known as Victory Day. But while the origins of the celebration do go back to the defeat of Nazi Germany in 1945, the original Victory Parade wasn't held until late in June.
The Moscow Times: Five historic videos that show Moscow’s Victory parade through the decades
The parade in Moscow's Red Square, devoted to the Great Victory over Nazi Germany in the Great Patriotic War (what the Eastern Front of World War II is called in the former Soviet Union), 9 May, 2013.