On this day: February 25

Published On: Feb 24 2013 10:08:24 PM CST   Updated On: Feb 25 2013 01:00:00 AM CST

Samuel Colt patents his revolver, the first black U.S. senator takes his seat, Muhammad Ali wins his first heavyweight title, and Ferdinand Marcos flees the Philippines, all on this day.

OTD February 25 - Daniel Greysolon
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1710: Daniel Greysolon, Sieur du Lhut, the French soldier and explorer who was the first European known to have visited the headwaters of the Mississippi River in what is now northern Minnesota, dies of gout in Montreal, Canada, around the age of 70. Both the cities of Duluth, Minn., an area he was also the first European to have visited, and Duluth, Ga., are named in his honor.

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