Event:
For the second time in four months, New Zealand's Mount Tongariro volano erupts; the volcano is located on the country's North Island
More Notable Events on November 21:
1995 Dow Jones closes above 5,000 for 1st time
1990 Michael Milken is sentenced to 10 years for security law violations
1989 Law banning smoking on most domestic flights signed by President Bush
1977 1st flight of Concorde, London to New York
1922 Rebecca L. Felton sworn in as 1st female U.S. Senator
