1964: Beatlemania arrives in the US
Four members of the British hit band, the Beatles, arrive in New York at the start of their first tour of the United States.
1974: Radical group 'arrested' heiress
A little-known group calling itself the Symbionese Liberation Army says its members are responsible for kidnapping 19-year-old newspaper heiress Patty Hearst.
1966: Hawaii hosts US-Vietnamese summit
Talks between US and South Vietnamese leaders begin in Hawaii to discuss the economic and political situation in Vietnam.
1971: Swiss women get the vote
Women in Switzerland are given the right to vote in national elections and to stand for parliament for the first time in the nation's history.