Wikipedia:Selected anniversaries/November 6
November 6: Election Day in the United States (2007); Constitution Day in the Dominican Republic (1844) and Tajikistan (1994); Gustavus Adolphus Day in Sweden.
- 1860 – Abraham Lincoln (pictured) became the first Republican Party candidate to win the U.S. presidential election.
- 1935 – Before the Institute of Radio Engineers in New York, American electrical engineer and inventor Edwin Howard Armstrong presented his study on using frequency modulation for radio broadcasting.
- 1962 – The United Nations General Assembly adopted Resolution 1761, condemning South Africa's apartheid policies.
- 1975 – Demonstrators in Morocco began the Green March to Spanish Sahara, calling for the "return of the Moroccan Sahara."
- 1999 – Although opinion polls had clearly suggested that the majority of the electorate favoured republicanism, the Australian republic referendum was defeated, keeping the British monarch as the country's head of state.
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