1)1961 (turn it over, it still reads 1961.This was mentioned on this site a while ago by someone smarter than me)
2)Jack Ruby shot and killed (on live tv?) Lee Harvey Oswald, who'd allegedly assassinated President J F Kennedy, husband of Jackie (later to become Jackie Onassis)
3)Gary Powers, shot down by Russians in an American spy plane - I think.
4) John Lennon and Yoko Ono, stayed in bed for a week to promote peace(give peace a chance)at Amsterdam Hilton.
6)Oliver Mellors is a character (the lover,I think) from the novel "Lady Chatterley's Lover", which was prosecuted - unsuccessfully - for obscenity during the 60's
re question 5)
Romans initially made classical music like xylophones.
I have no idea, tho there was a controversial - for its time - play called "Romans in Britain"
Are these supposed to be snappy, 1 or 2 word answers? I am only really confident about the 1st answer which is not mine anyway.