1864 - Wyoming became part of Montana Territory.
1883 - Frank Collins Emerson was born. He served as the 15th Governor of Wyoming from 1927 until his death in 1931.
2000 - A magnitude 4.0 earthwquake occurred about 75 miles from the center of Casper, Riverton and Lander, WY.
2001 - Laurence Rockefeller donated his Wyoming ranch to the national parks system. It was within the Grant Teton National Park and became part of the park in 2006.
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