1803 Apr
1862 July
1862 July
Louisiana Purchase treaty signed
Likely earliest date of European ranch activity on Laramie Plains – Philip Mandel
Overland Stage Line relocated to the Laramie Plains on the old Cherokee Trail
1889 Nov
1890 July
1898 Sep
1910 Dec
1910 Nov
1912 Jan
1917 Apr
1917 Oct
1924 Oct
1928 Apr
1940 Sep
1941 Dec
1944 Apr
1948 Aug
1955 July
1963 Apr
1968 Apr
1972 Jun
1866 Jul
1868 Apr
1868 May
1868 Jul
1868 Dec
1869 Jun
1869 May
1870 Mar
1870 Sep
1870 Aug
1872 Oct
1874 Sep
1874 Oct
1881 Jun
1882 May
1886 Mar
Fort Sanders established
First newspaper mention of mining activity on west edge of Laramie Plains
Union Pacific Railroad arrives and maintenance facilities/depot are constructed
Wyoming Territory created but not yet functional
Albany County created by Dakota Territory Legislative Assembly, Thomas Sears sheriff
Alsop, Creighton and Hutton establish first large cattle ranch
Wyoming Territory government officially organized, N. K. Boswell sheriff
First women in world history serve on jury in Laramie
First woman in world history votes in general election in Laramie
Charles Hutton brings first sheep to Albany County
Territorial Penitentiary opens west of Laramie
Construction begins on UPRR Rolling Mills to manufacture rails
UPRR lays water pipe from springs east of town bringing sanitary water to many citizens
Ames Monument construction begins
Fort Sanders disestablished, troops moved to Fort D.A. Russell
University of Wyoming, a land grant university, founded
Wyoming State Constitution approved by citizens of Wyoming Territory
Wyoming admitted to the Union as the 44 th state
Laramie Woman’s Club founded
End of most active mining activity near Laramie
UPRR Rolling Mills burn to ground
UPRR places larger roundhouse and turntable into service
America enters World War I, over 1000 Albany County men and women serve
Thornburgh Hotel/UPRR Depot burns to the ground
New UPRR Depot opens south of old location
Laramie pioneers Edward Ivinson and Melville C. Brown die
University enrollment increases to over 2000
America enters World War II, thousands of Albany County men and women serve
Albany County Historical Society founded
Fire destroys much of downtown business district
Albany County final reduction in size and assumes current shape
UPRR abandons remaining maintenance facilities in Laramie
Laramie Plains Museum Association moves into former home of H. N. Roach
Laramie Plains Museum receives title to Ivinson Mansion and moves collection there