1. On June 23, 1780, the Battle of Springfield took place in New Jersey during the American Revolutionary War. British forces attempted to capture the town of Springfield, but were defeated by American troops led by General Nathanael Greene.

2. The first flight of the Army Air Corps' biplane bomber, the Keystone LB-6, occurred on June 23, 1928, in Atlantic City, New Jersey. The Keystone LB-6 was used for reconnaissance and bombing missions during World War II.

3. The Garden State Parkway, one of New Jersey's major highways, officially opened on June 23, 1951. The roadway stretches 172 miles from Cape May to the New York State border.

4. On June 23, 1969, a major fire broke out at the Rutgers University College Avenue Gymnasium in New Brunswick, New Jersey. The fire caused significant damage to the building and led to a major overhaul of the university's fire protection systems.

5. New Jersey native and former NBA player Shaquille O'Neal was traded from the Orlando Magic to the Los Angeles Lakers on June 23, 1996. O'Neal went on to win three NBA championships with the Lakers and was inducted into the Basketball Hall of Fame in 2016.