1857 U.S. Topographical Engineer Lt. G. K. Warren causes a camp to be erected in the Black Hills. The camp included a stockade and was post was named Camp Jenney.
1911 Edward Conia of Meeteetse received a patent for an animal trap.
1925 Beacon light construction for Rock Springs to Salt Lake City air route begins. Attribution: Wyoming State Historical Society.
2001 First full day in U.S. history with no civil aviation since the onset of civil aviation. All air traffic except for government traffic is ordered halted in wake of Terrorist attack the prior day.