The town of Greensburg, Kansas was destroyed by an EF5 tornado in 2007, and has since rebuilt as a model "green town" using eco-friendly technologies and materials.
Johnson County, located in the state of Kansas, has a rich and diverse history that dates back thousands of years. The area was originally inhabited by various Native American tribes, including the Shawnee and Osage tribes, who utilized the region for hunting and farming. The first European explorers entered the area in the 18th century, with French and Spanish trappers exploring the Kansas River Valley.

In the early 19th century, American settlers began to arrive in what is now Johnson County. The construction of the Santa Fe Trail in 1822 played a significant role in the county's development, as it became a major transportation route for traders and settlers heading westward. The establishment of the Shawnee Indian Mission in 1830 further solidified the area's growth.

The area saw rapid development and expansion in the mid-1800s, particularly after the passage of the Kansas-Nebraska Act in 1854. The region became a battleground for the contentious issue of slavery, and Johnson County was a hotbed of violence during the Bleeding Kansas period, with clashes between pro-slavery and anti-slavery forces. The county played a significant role in the Underground Railroad, helping escaped slaves find freedom in the north.

After the Civil War, Johnson County experienced a boom in agriculture, with the growth of wheat, corn, and dairy farming. The expansion of the railroad network further boosted the county's economic development, connecting it to larger markets. In the 20th century, Johnson County became suburbanized, with the growth of towns and cities such as Overland Park and Olathe. Today, the county is known for its thriving economy, excellent schools, and high standard of living, making it a desirable place to live and work.

This timeline provides a condensed summary of the historical journey of Johnson County, Kansas.

  • 1825 - Johnson County is established as part of the Shawnee Indian Lands.
  • 1855 - The Kansas Territory is organized and Johnson County becomes a part of it.
  • 1857 - The Town of Olathe is established as the county seat.
  • 1861 - Kansas becomes the 34th state of the United States.
  • 1865 - The First National Bank of Olathe, the county's first bank, is established.
  • 1872 - The Kansas City, Fort Scott, and Gulf Railroad reaches Johnson County.
  • 1906 - The Shawnee Indian Methodist Manual Labor School is established in Turner.
  • 1917 - The United States enters World War I, leading Johnson County residents to participate in the war effort.
  • 1920 - The population of Johnson County surpasses 20,000 residents.
  • 1930 - Johnson County Community College is founded.
  • 1955 - The population of Johnson County exceeds 100,000 residents.
  • 1973 - Sprint Corporation (now part of T-Mobile) is founded in Overland Park.
  • 2000 - The population of Johnson County reaches over 450,000 residents.
  • 2016 - Johnson County celebrates its 150th anniversary.