When did Hitler invade the Soviet Union?

Invasion of the Soviet Union, June 1941 On June 22, 1941, Nazi Germany launched a surprise attack against the Soviet Union, its ally in the war against Poland. By the end of the year, German troops had advanced almost 1,000 miles to the outskirts of Moscow. Soon after the invasion, mobile killing units began the mass murder of Soviet Jews.

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whose power in the senate is equal to the power of the speaker of the house?