In April, it was announced that Dick Van Scyoc would be leaving his Athletic Director and basketball coach posts at WCHS and becoming the next basketball coach at Peoria Manual. During his 15 years at WCHS, Van Scyoc accumulated 255 wins and 128 losses. Jack Stromberger became the new WCHS Athletic DIrector.
Mayor John Blumenshine died of a heart attack on May 5, 1966, at the age of 48. He remains the only Washington Mayor to die while in office. Taking his place at the helm of the city was Wallace Asbury.
WCHS 18-year science teacher and department head Clive Reynolds died unexpectedly at his home in May.
Alice Snell and Ray Abernathy were the 1966 recipients of the 1966 Washingtonian Award.
Tennis courts were added to the WCHS athletic complex.
A 200-acre site west of Washington was secured to construct a new junior college called Illinois Central College.
Third-grade teacher Beulah Schertz retired from Washington Grade School after 43 years of service.
The Museum of Central Illinois Agriculture opened on July 16, 1966 at the Heart of Illinois Fair, and the vast majority of items in the museum were from the former St. Mark's Rev. Carl Kammeyer collection.
S&W Ford held their grand opening at the newly constructed dealership across from the golf course.
Dairy Queen opened at 809 Peoria Street in 1966.