Misc: whats a group of Peacocks called?

Questions

In 1790 Chrysanthemums are introduced into England from---------- . ?

In 1942 During WWII Germany completed their occupation of---------- . ?

In 1965 Rhodesia proclaimed independence from ---------- by PM Ian D. Smith. ?

In 1966 ---------- XII launched on four-day flight (the final Gemini flight). ?

In 1968 John Lennon and Yoko Ono appear nude on cover of "Two ---------- " album. ?