Arrowhead Stadium was completed and opened in 1972.

Key dates

  • Construction began in 1968 after Jackson County voters approved funding for a new sports complex.
  • The stadium was finished in time for the Kansas City Chiefs’ 1972 season and officially opened on August 12, 1972, when the Chiefs played a preseason game against the St. Louis Cardinals.

In short, when people ask “when was Arrowhead Stadium built,” they are referring to its completion and opening in 1972.

Information gathered from public forums or data available on the internet and portrayed here.