1829Government
Established in 1829 by the Hudson's Bay Company, in 1844, it became the first U.S.
1845Government
Canemah was founded in 1845 as an independent city before being annexed into Oregon City.
1846History
In 1846, the city's newspaper, the Oregon Spectator, was the first American newspaper to be published west of the Rocky Mountains.
1848Government
It was the capital of the Oregon Territory from its establishment in 1848 until 1851, and rivaled Portland for early supremacy in the area.
1849Government
Oregon City College was established in 1849 as a Baptist school, but was defunct by the 1870s.
1850Government
Gaines, 3rd Territorial Governor of Oregon, 1850–53.
1859History
Dahl, Oregon City has been home to the following:
Oregon pioneers
Political activists
William Simon U'Ren (1859-1949), lawyer, known as the Father of the Oregon System of gov...
1889Government
The first long-distance electrical service in the United States originated in Oregon City in 1889, transmitting electricity 14 miles (23 km) to Portland.
1908Culture
The Stevens-Crawford Heritage House Museum is a 1908 structure with 11 furnished rooms; exhibiting furniture from the collection of the Clackamas County Historical Society to re...
1915Government
In 1915, the town built the water-powered Oregon City Municipal Elevator to connect the two parts, which was converted to electricity in the 1920s.
1922Government
The Oregon City Bridge over the Willamette River, built in 1922, is listed on the National Register of Historic Places, as is the Oregon City Municipal Elevator.
1926Culture
The population of nearby Portland grew, and the headquarters of the archdiocese was moved there in 1926.
1928Infrastructure
In 1928 the name Archdiocese of Portland in Oregon replaced the former name.
1950History
Extreme temperatures range from −2 °F (−19 °C) on January 31, 1950, to 114 °F (46 °C) on June 28, 2021.
2000History
=== 2000 census ===
As of the census of 2000, there were 25,754 people, 9,471 households, and 6,667 families residing in the city.
2009Culture
In 2009, Clackamas Heritage Partners announced that it could no longer afford to keep the museums open.
2010History
=== 2010 census ===
As of the census of 2010, there were 31,859 people, 11,973 households, and 8,206 families residing in the city.
2013Architecture
The End of the Oregon Trail Interpretive Center eventually reopened during the summer of 2013 with the support of grants and donations from numerous sources.
2017Architecture
The last paper mill in the immediate vicinity closed in 2017 but reopened in 2019 under new ownership.