On this day: June 25

1. 1959
   Prison Nebraska State Penitentiary · Charles Starkweather

   Starkweather was executed in the electric chair here at 12:05 a.m. on June 25, 1959.

2. 1990
   Prison Cummins Unit (execution) · Ronald Gene Simmons

   Simmons was executed by lethal injection in the state execution chamber at the Cummins Unit, Lincoln County, on June 25, 1990, after waiving his appeals.