Name The Year: Dr. Jonas Salk announced a new vaccine against polio.?

Questions

In 1990 President ---------- announces DOUBLING of US forces in Gulf. ?

In 1991 Yves ---------- actor, dies at 70 from a heart attack. ?

In 1483 Martin---------- , Eisleben, Germany, founded Protestantism, born. ?

In 1683 George II king of ---------- (1727-60), born. ?

In 1864 Austrian Archduke Maximilian became emperor of---------- . ?