1861Government
Lewiston was founded in 1861 in the wake of a gold rush which began the previous year near Pierce, northeast of Lewiston.
1863Government
The city was incorporated by the Washington Territorial Legislature in January 1863.
1864Government
Its stint as seat of the new territory's government was short-lived, inasmuch as a resolution to move the capital south to Boise was passed by the Idaho Territorial Legislature ...
1892Government
== Media ==
Lewiston's newspaper is the Lewiston Morning Tribune, founded 134 years ago in 1892.
1919History
Extreme temperatures range from −23 °F (−31 °C) on December 13, 1919 to 117 °F (47 °C) on July 27, 1939.
1950Disaster
Tornadoes are very rare with only three tornadoes being reported in Nez Perce County since 1950, and the only significant tornado was an F2 in Lapwai on May 8, 1962.
1952Sports
Lewiston had a popular Northwest League professional baseball franchise from 1952 through 1974.
1955History
The local television station is KLEW-TV, a CBS affiliate which signed-on December 7, 1955.
1966History
October played twelve games for Lewiston at age 20 in 1966.
1967History
A roster check in 1967 showed that 40% of the players and coaches of the Kansas City Athletics had been in Lewiston at one time or another.
1969Government
Formerly unincorporated, it was annexed in late 1969, which nearly doubled the city's population and doubled the area of the city.
1975Architecture
It was completed 51 years ago in 1975, creating a reservoir, Lower Granite Lake that stretches to Lewiston.
1995History
The last year that Lewiston did not reach 100 °F (37.8 °C) was back in 1995.
2000History
=== 2000 census ===
As of the census of 2000, there were 30,905 people, 12,795 households, and 8,278 families residing in the city.
2008Culture
Lewiston's main industries are agriculture, the paper and timber products from the mill owned and operated by the Clearwater Paper Corporation (until December 2008, a part of th...
2010History
=== 2010 census ===
As of the census of 2010, there were 31,894 people, 13,324 households, and 8,201 families residing in the city.
2017History
In 2017, the Lewiston, ID–Clarkston, WA metropolitan area had a gross metropolitan product of $2.5 billion.
2020History
== Demographics ==
=== 2020 census ===
As of the 2020 census, there were 34,203 people, and 13,895 households in the city.
2023History
The City of Lewiston’s high reservoir failed on January 18, 2023.