As the oldest government in this
corner of the Pacific Northwest, King County has many key dates and events
that define its history.
- For background information
about King County and a map showing today's boundaries, go to About
King County (opens new window).
- Click on the map above to see a larger version of King County's original boundaries in 1852 (46k)
Click on one of the decades below to read about memorable King County events occurring during that period.
1840s 1850s 1860s 1870s 1880s 1890s