Reuters historical calendar - February 6

London, Feb 5 (Reuters) Following are some of the major events to have occurred on February 6: 1922 - The Washington Conference ended with the United States, France, Japan, Italy and Britain agreeing on restricting use of poison gas and submarine warfare.

1922 - Cardinal Achille Ratti was elected Pope Pius XI. He succeeded Benedict XV.

1952 - Britain's King George VI died. He was succeeded by his daughter, Elizabeth II.

1958 - A plane carrying the Manchester United soccer team back from a European Cup match crashed on the runway at Munich Airport.

Eight members of the side nicknamed ''The Busby Babes'' after their manager Matt Busby, were among the 23 killed.

1993 - Arthur Ashe, US tennis great and the first black to win the Wimbledon men's title, died. He was 49.

1997 - Ecuador's Congress voted to oust embattled President Abdala Bucaram on grounds of mental incompetence.

2000 - Foreign Minister Tarja Halonen was elected Finland's first woman president.

2001 - The first Chinese ship to make a legal, direct voyage to a Taiwan-held island in more than five decades docked at heavily fortified Quemoy as part of rapprochement efforts.

2003 - Colombia's labour and health ministers were killed after their small plane crashed on a flight over high Andean mountains.

2004 - An apparent suicide bombing killed at least 40 people and injured more than 100 on an underground train during morning rush-hour in Moscow.

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