1. On October 28, 1880, the Brooklyn Bridge officially opened. It was designed by John Roebling and considered a technological marvel of its time.

2. In 1904, the opening night of the New York City subway system occurred on October 28. Over 150,000 people rode the trains that day.

3. On October 28, 1940, the iconic Empire State Building was completed. It was the tallest building in the world at the time, and it remains a prominent landmark in New York City to this day.

4. On October 28, 1971, the United Nations Headquarters building in New York was officially opened. The complex hosts several international organizations and is a center for global diplomacy.

5. New York City also celebrates Indigenous Peoples Day on October 28, recognizing the contributions and heritage of Native American communities. This holiday began as an alternative to Columbus Day, which has been criticized for celebrating the colonization of the Americas.