1. In 1910, the New York Giants won their first World Series championship against the Philadelphia Athletics. This victory marked the beginning of a dynasty for the Giants, who would go on to win three more championships in the next five years.

2. On October 30, 1938, Orson Welles broadcast his infamous "War of the Worlds" radio drama, which caused panic and confusion among listeners who believed that Martians were actually invading the Earth. Although the broadcast itself took place in New Jersey, it had a profound impact on New Yorkers and the way they viewed mass media.

3. In 1975, New York City's famous nightclub Studio 54 opened its doors for the first time on October 30. Over the years, the club became synonymous with the decadence and excess of the disco era, and was frequented by many famous celebrities and musicians.

4. October 30, 2001 marked the opening of the National Museum of the American Indian in New York City. The museum's collection includes over 800,000 objects that showcase the indigenous cultures of the Americas, as well as contemporary art and crafts.

5. In more recent years, October 30 has become associated with the annual Halloween Parade in Greenwich Village. The parade, which first began in 1974, attracts thousands of participants and spectators each year, and features a wide variety of colorful costumes and floats.