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1.
Women were allowed to vote in Turkey.
Women were granted full suffrage in Turkey in 1934.
2.
Ping Pong diplomacy paved the way for better relations between the US and the People's Republic of China.
3.
The Iranian Revolution took place.
4.
The first moon landing took place.
5.
The Beatles officially broke up.
6.
Spider-Man had his first appearance.
7.
The first "Star Wars" movie was released.
8.
The Chernobyl nuclear disaster took place.
9.
The Vietnam War began.
10.
In the United States, homosexuality became legal nationwide.
This did not happen until 2003.
11.
The VHS cassette was introduced.
12.
The Greenhouse effect was discovered.
Joseph Fourier suggested its existence as early as 1824, with more substantial evidence brought forward throughout the 19th century.
13.
Following General Franco's death, free elections were held in Spain.
14.
The world population surpassed the 6 billion threshold.
In 1974, there were 4 billion people; in 1999, there were 6 billion.
15.
The European Union was established.
The EU came into being in 1993. Its precursors were the Steel and Coal Community (1951) and the Economic Community (1957).
16.
Brazil was ruled by a military dictatorship.
It lasted from 1964 to 1985.