Operation Barabarossa
Part of the Eastern Front of World War II
Date June 22, 1941 – December 5, 1941 Location Soviet Union Result The Axis conquers huge areas of the Soviet Union and causes heavy losses on the Red Army but fails in its overall strategic goal of defeating the Soviets in a Blitzkrieg campaign.
Belligerents
Germany  Romania  Finland  Italy  Hungary  Slovakia  Croatia	Soviet Union
Commanders and leaders
Adolf Hitler Franz Halder Wilhelm Ritter von Leeb Fedor von Bock Gerd von Rundstedt Ion Antonescu Carl Gustaf Emil Mannerheim Giovanni Messe	Joseph Stalin Georgy Zhukov Aleksandr Vasilyevskiy Semyon Budyonny Kliment Voroshilov Semyon Timoshenko Markian Popov Fedor Kuznetsov Dmitry Pavlov Ivan Tyulenev
Strength
~3 million 3,600 tanks, 4,389 aircraft 46,000 artillery pieces	~5.7 million 12,000-15,000 tanks, 35,000-40,000 aircraft (11,357 combat ready on 22 June 1941)
Casualties and losses
186,452 killed 40,157 missing 655,179 hurt 2,827 aircraft destroyed 2,735 tanks destroyed	802,191 killed 1,336,147 hurt 2,835,000 captured. 21,200 aircraft destroyed 20,500 tanks lost

Operation Barbarossa (German: Unternehmen Barbarossa, named after Frederick I) was the code name for the European Axis invasion of the Soviet Union during World War II. It began on 22 June 1941. More than 3 million men attacked along the 2,900 km front, which made it the largest military invasion in human history. It also involved 600,000 motor vehicles and 750,000 horses.