posted Apr 30, 2014, 6:59 AM by email@example.com
updated Apr 30, 2014, 7:02 AM
1803 On April 30, negotiations between the United States and the French Republic regarding the Louisiana Purchase were concluded. Much of what would become Wyoming was included in that purchase.
1872 On April 30, 1872, construction was begun on the Territorial Prison in Laramie.