Misc: In 1941 ---------- enters WW II against Russia. ?

Questions

In 1945 Nazi concentration camp at ---------- liberated by US 80th Division.?

In 1974 Yitzhak ---------- replaces resigning Prime Minister Golda Meir.?

In 1979 Soyuz ---------- is launched.?

In 1990 The ---------- space telescope is brought on-line. Unfortunately, its mirror is slightly warped?

In 672 ---------- begins his reign as Catholic Pope?