The state's official flag was adopted in 1923 and features a portrait of George Washington in profile, along with the state seal and the words "Washington State".
Kittitas County is located in central Washington State and has a rich history that spans many centuries. The region was originally inhabited by indigenous people, specifically the Yakama and Kittitas tribes, who relied on the abundant natural resources for sustenance. The area was later explored by fur traders and trappers from Europe in the early 19th century.

In 1868, the region saw an influx of settlers with the establishment of the town of Ellensburg, which became the county seat. The construction of the Northern Pacific Railroad in the 1880s further fueled growth and development in the area, attracting more people to settle and establish businesses. Agriculture, particularly the cultivation of fruit, became a major industry in the county.

The late 19th and early 20th centuries brought significant changes to Kittitas County. The area experienced a boom in coal mining, with several coal mines operating in the county. The local mining industry played a crucial role in the county's economy, contributing to its growth and development.

In the latter half of the 20th century, Kittitas County continued to evolve, diversifying its industries and embracing tourism and higher education. The presence of Central Washington University, headquartered in Ellensburg, has contributed to the county's educational landscape. The county also boasts abundant recreational opportunities, with the nearby Cascade Mountains attracting outdoor enthusiasts.

Overall, Kittitas County has evolved from its indigenous roots to become a thriving community with a diverse economy and strong ties to its natural surroundings. With its rich history and continued growth, the county remains an important part of Washington State's cultural and economic landscape.

This timeline provides a concise overview of the key events in the history of Kittitas County, Washington.

  • 1853 - Kittitas County is established as part of Ferguson County
  • 1855-1858 - Yakama Indian Wars take place in the region
  • 1877 - Kittitas County officially separates from Yakima County
  • 1883 - The Cle Elum River is dammed, creating Lake Cle Elum
  • 1888 - Roslyn coal mine opens and becomes a major industry in the county
  • 1891 - The town of Ellensburg is incorporated
  • 1906 - The Kittitas Valley Irrigation District is established
  • 1918 - The Great Influenza Pandemic affects the county
  • 1930s - The Great Depression causes significant economic challenges in the region
  • 1942-1945 - Japanese Americans from the area are forcibly relocated during World War II
  • 1983 - Central Washington University is designated a state university
  • 1998 - The Kittitas Valley Event Center is completed and hosts the county fair