Statistics for 1970s or Not?

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Question	Answer	% Correct
The first moon landing took place.	not 1970s	100%
The first "Star Wars" movie was released.	1970s	98%
The Vietnam War began.	not 1970s	96%
The Iranian Revolution took place.	1970s	89%
Ping Pong diplomacy paved the way for better relations between the US and the People's Republic of China.	1970s	87%
The Beatles officially broke up.	1970s	87%
The VHS cassette was introduced.	1970s	85%
Spider-Man had his first appearance.	not 1970s	85%
The Chernobyl nuclear disaster took place.	not 1970s	85%
Brazil was ruled by a military dictatorship.	1970s	83%
The world population surpassed the 6 billion threshold.	not 1970s	81%
The European Union was established.	not 1970s	81%
Following General Franco's death, free elections were held in Spain.	1970s	74%
Women were allowed to vote in Turkey.	not 1970s	70%
In the United States, homosexuality became legal nationwide.	not 1970s	70%
The Greenhouse effect was discovered.	not 1970s	62%