alot
I was born.
Computer Space was created in 1971.
Too many to list. Look here historyorb.com/events/date/1971
Clarkston explosion happened in 1971.
The Vietnam war was going on...
Galaxy Game happened in 1971.
Operation Python happened in 1971.
Operation Demetrius happened in 1971.
Gastown Riots happened in 1971.
The Dæmons happened on 1971-06-19.
Battle of Basantar happened in 1971.