On this day: May 15

Published On: May 14 2013 12:56:09 PM CDT   Updated On: May 15 2014 01:00:00 AM CDT

Las Vegas is founded, Mickey Mouse makes his screen debut, the Soviets begin withdrawing from Afghanistan, and a 16-year-old sailor completes her solo around-the-world journey, all on this day.

OTD May 15 - Don Nelson
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Robert Galbraith/Reuters

1940: Don Nelson, the NBA's all-time winningest coach, is born in Muskegon, Mich. In a coaching career that spanned 1976 to 2010, Nelson posted a record of 1,335-1,063. He coached for the Milwaukee Bucks, Golden State Warriors, New York Knicks and Dallas Mavericks, being named the NBA Coach of the Year three times and earning induction into the Basketball Hall of Fame. His coaching career also included directing the U.S. to a gold medal in the 1994 World Championships. As a player, he won five NBA titles with the Boston Celtics, with whom he played 11 of his 15 seasons.

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