Misc: What is the only armoured mammal?

Questions

In 1969 Dr. Denton ---------- implants first temporary artificial heart.?

In 1974 Hank ---------- tied Babe Ruth's home-run record by hitting his 714th.?

In 1979 Zulfiqar Ali ---------- former Pakistani president, hanged in Pakistan?

In 1983 6th space shuttle mission, ---------- launched?

In 1984 Winston ---------- in Orwell's "1984" begins his secret diary?