1. On July 30, 1619, the first legislative assembly in the Americas was held in Jamestown, Virginia. Although this event did not occur in New York, it played a significant role in influencing the formation of representative government in the colonies and eventually the United States.

2. On July 30, 1863, the second day of the Battle of Gettysburg during the American Civil War, New York State Troops played a crucial role in defending the Union against Confederate forces. The most notable contribution came from the 12th New York Volunteer Infantry Regiment, which held an important position on Cemetery Hill and helped repulse several Confederate assaults.

3. In 1945, on July 30, the USS Indianapolis was torpedoed by a Japanese submarine in the Pacific Ocean, resulting in the deaths of 879 sailors and Marines. Among the casualties were many from New York who had served on the ship, which had just completed a secret mission to deliver atomic bomb components to Tinian Island.

4. On July 30, 1975, former Teamsters union leader Jimmy Hoffa disappeared from a restaurant parking lot in Bloomfield Township, Michigan. Although Hoffa's disappearance did not occur in New York, he had significant ties to the state and was known for his involvement in organized crime activities in the New York City area.

5. In 2003, on July 30, the Steamship Lilac Preservation Society was established to preserve the historic Lilac Steamship, which was built in 1933 and served as a lighthouse tender and Coast Guard buoy tender. The Lilac is now moored in Hudson River Park in New York City and serves as a museum and cultural center showcasing the history of the city's waterfront.