Wild Card: What kitchen appliance does the typical American open 22 times a day?

Questions

28 October 1971 England becomes 6th nation to have a ---------- (Prospero) in orbit ?

28 October 1971 ---------- record "Happy Xmas (War is Over)" in NYC ?

10 November 1971 US table tennis team arrived in ---------- ?

13 November 1971 Mariner 9, 1st to orbit another ---------- (Mars) ?

27 November 1971 Soviet ---------- becomes 1st spacecraft to crash land on Mars ?