1. On April 29, 1861, New York was the site of the first volunteer regiment to answer President Abraham Lincoln's call for troops to defend the Union. The regiment was known as the "Fighting 69th" and was made up predominantly of Irish immigrants.

2. In 1939, the World's Fair opened in New York City on April 29th. The theme of the fair was "The World of Tomorrow" and it showcased advancements in technology and industry.

3. On April 29, 1977, New York City's infamous Studio 54 nightclub was raided by police and closed down. The club was known for its wild parties and celebrity guests, and its closure marked the end of an era in New York nightlife history.

4. In 1986, the Empire State Building was added to the U.S. National Register of Historic Places on April 29th. The iconic skyscraper is one of the most recognizable landmarks in the world and has served as a symbol of New York City for nearly a century.

5. On April 29, 2011, the new One World Trade Center skyscraper in Lower Manhattan became the tallest building in New York City. The tower, which stands at 1,776 feet, was built as part of the effort to rebuild the World Trade Center complex following the 9/11 attacks.