Event:
North Korea threatens nuclear tests, and activity has been detected at one of the nation's nuclear facilities; the threat was made after the U.N. recommended trying North Korean officials in the International Criminal Court for human rights crimes
More Notable Events on November 20:
1986 UN's WHO announces 1st global effort to combat AIDS
1984 McDonald's made its 50 billionth hamburger
1975 Ronald Reagan announced candidacy for Republican nomination for president
1967 U.S. population reaches 200 million
1914 U.S. State Department starts requiring photographs for passports
