1. In 1787, the New York State Ratifying Convention, which was held at Poughkeepsie, approved the United States Constitution. The state's ratification was significant because New York was one of the most populous states at the time, and its support helped secure the Constitution's adoption.

2. In 1810, the Maclay Mansion, which is located in Utica, was completed. The mansion is now part of the State University of New York Institute of Technology and serves as a center for cultural events and activities.

3. In 1935, Jesse Owens set three world records and equaled another at the Big Ten Track and Field Championships, which were held at Randall's Island in New York. Owens, an African American athlete, went on to win four gold medals at the 1936 Olympics in Berlin, Germany.

4. In 1965, the first US troops arrived in Vietnam. Among them were soldiers from New York, who were part of the 173rd Airborne Brigade. The Vietnam War would eventually claim the lives of more than 47,000 Americans, including over 4,000 from New York.

5. In 1991, the New York Knicks defeated the Chicago Bulls 94-89 in Game 7 of the Eastern Conference Semifinals. The victory was significant because it marked the first time in more than a decade that the Knicks had advanced to the conference finals. The series was also notable for the intense rivalry between Knicks coach Pat Riley and Bulls coach Phil Jackson.