1. In 1672, the Treaty of Hartford was signed between English colonists and various Native American tribes on May 30. The treaty established an uneasy peace between the two groups, but tensions would continue to simmer for many years to come.

2. The Brooklyn Bridge, one of New York's most iconic landmarks, officially opened on May 30, 1883. The bridge was the world's largest suspension bridge at the time and revolutionized transportation in the city.

3. On May 30, 1911, the first Indianapolis 500 race was held. While not held in New York, the race would become an important part of American culture and has been run every year since its inception.

4. In 1942, the first Memorial Day parade was held in Manhattan on May 30. The parade honored the soldiers who had died in World War II and became an important annual event in the city.

5. On May 30, 1984, the Metro-North Railroad began service between New York City and Connecticut. The railroad system is one of the busiest in the country and has helped to connect millions of people with jobs, friends, and family throughout the region.