What day of the week was October 15, 1997?

The day of the week October 15th, 1997 fell on was a Wednesday.

The first supersonic land speed record is set by Andy Green in ThrustSSC (United Kingdom) the exactly 50 years and 1 day after Chuck Yeager first broke the sound barrier in the Earth's atmosphere. The Cassini probe launches from Cape Canaveral on its way to Saturn.