1950Military
== History ==
Harker Heights is located near Fort Hood, a major United States Army post that was designated a permanent military facility in 1950.
1955Military
4 was established on land near the Killeen city limits and the military post in 1955, and included the land owned by Pinckney R.
1957History
These two men subdivided their land in 1957 and began selling lots.
1960Government
Incorporated in 1960, the city derives its name from one of the two original landowners and founder, Harley Kern.
2022History
== Government ==
In 2022, city voters approved the decriminalization of possession of misdemeanor amounts of marijuana, although it is still illegal under state law.