Name The Year: Dr. Jonas Salk, who made polio a fear of the past?

Questions

In 1961 U.S. backed ---------- invasion in Cuba. Ended in failure.?

In 1970 Apollo 13 limps back safely, ---------- -built oxygen tank no help.?

In 1946 Hayley ---------- (in London, England), actor, born.?

In 1775 "The British are Coming!" declares ---------- from horseback.?

In 1946 ---------- went out of business, replaced by the U.N.?