1860Architecture
An account said that the spring was found by a lost Pony Express rider, but the spring station was known to Jim Bridger before 1860; the Overland Stage station was located nearby.
1885Crime
One of the worst incidents of anti-immigrant violence in American history, known as the Rock Springs massacre, occurred on September 2, 1885, when White miners slaughtered their...
1887Architecture
Beginning in 1887, a water main was started from the Green River and completed in 1888 to bring a continuous supply of water to Rock Springs.
1892Architecture
On June 10, 1892, Rock Springs National Bank opened on 515 S Main St, across from the Union Pacific depot.
1907History
In 1907, when John Hay Sr.
1918History
Archibald was killed in France by a German plane in 1918.
1919Government
In his memory, Post 24 of the American Legion, chartered in 1919, was named Archie Hay Post.
1921Architecture
RSNB owned the original building until 1921 when it was sold to Anton Mengoni.
1947Military
navigated the bank through the Great Depression and World War II, before retiring in 1947.
1965History
The wettest calendar year was 1965 with 14.54 in (369.3 mm) and the driest 2012 with 3.14 in (79.8 mm).
1977Culture
Rock Springs was featured on 60 Minutes in 1977 due to corruption within the Police Department and City Government.
1995History
The most snowfall in one year was 79.7 in (2.02 m) in 1995.
1997History
Passenger service ended in 1997.
2000History
=== 2000 census ===
At the 2000 census, there were 18,708 people, 7,348 households and 4,930 families living in the city.
2001History
The most snowfall in one month was 23.7 in (0.60 m) in February 2001.
2002History
The record high temperature was 98 °F (36.7 °C) on July 13, 2002, and the record low temperature was −37 °F (−38.3 °C) on January 12, 1963.
2010History
== Demographics ==
=== 2010 census ===
At the 2010 census, there were 23,036 people, 8,762 households and 5,849 families living in the city.