Misc: what word may be used to refer to a group of larks??

Questions

Tibet is made an autonomous region of China.?

1st successful test flight of a Saturn V.?

John Lennon releases the "Imagine" album.?

Viking 2 launched toward orbit around Mars, soft landing.?

Mao Tse-Tung, Chinese communist party chairman (1949-76), dies at 82.?