Union Square, Manhattan

USS Recruit, also known as the Landship Recruit, was a wooden mockup of a dreadnought battleship constructed by the United States Navy in Manhattan in New York City, as a recruiting tool and training ship during the First World War. Commissioned as if it were a normal vessel of the U.S. Navy and manned by a crew of trainee sailors, Recruit was located in Union Square from 1917 until the end of the war. In 1920, with the reduced requirements for manning in the post-war Navy, Recruit was decommissioned and dismantled, having recruited 25,000 sailors into Navy service.

George Washington is an outdoor sculpture by Henry Kirke Brown (1814–1886), located in Union Square, Manhattan, in the United States. The bronze equestrian statue was dedicated in 1856 and is the oldest sculpture in the New York City Parks collection.

Independence Flagstaff, also known as the Charles F. Murphy Memorial Flagpole, is an outdoor memorial by sculptor Anthony de Francisci, located in Union Square Park in Manhattan, New York, which commemorates the 150th anniversary of the signing of the United States Declaration of Independence. The memorial was cast in 1926 and dedicated on July 4, 1930. It was made of steel, with copper sheathing, and is set on a granite pedestal which includes bronze bas-reliefs and plaques. The monument is in axial alignment with Henry Kirke Brown's statues of George Washington and Abraham Lincoln.

Union Square Drinking Fountain, also known as James Fountain, is an outdoor bronze sculpture and ornamental fountain by sculptor Adolf von Donndorf and architect J. Leonard Corning, located on the west side of Union Square Park in Manhattan, New York City. Cast in 1881 and dedicated on October 25, 1881, it was donated by Daniel Willis James "to promote public health as well as the virtue of charity". The statuary group includes a standing woman holding a baby in her right arm and a young child at her left side. They are set on an octagonal Swedish red granite pedestal with lion head fountains and basins on four of the sides.

Marquis de Lafayette is an outdoor bronze sculpture of Gilbert du Motier, Marquis de Lafayette by artist Frédéric Auguste Bartholdi, located at Union Square Park in Manhattan, New York.

On August 4, 2023, at approximately 3:30 p.m. EDT, internet personality Kai Cenat held a purported giveaway of gaming-related items in Union Square, Manhattan, while not having a permit for the gathering. The event, which drew thousands of participants to Union Square Park, became a riot. Social media posts of the event surfaced around the same time. Cenat was taken into police custody by the New York City Police Department (NYPD) during the riot and was charged with inciting a riot and unlawful assembly. He appeared in court on August 16 and August 18. His business partners at Any Means Possible apologized for the riot. Cenat would also apologize in a livestream on August 9. The incident led to discussion and debate about the influence of internet personalities.

An outdoor bronze statue of Abraham Lincoln by Henry Kirke Brown is installed in Union Square in Manhattan, New York.

A statue of Mahatma Gandhi by Kantilal B. Patel stands in Union Square in Manhattan, New York, United States.

The 14th Street–Union Square station is a New York City Subway station complex shared by the BMT Broadway Line, the BMT Canarsie Line and the IRT Lexington Avenue Line. It is located at the intersection of Fourth Avenue and 14th Street, underneath Union Square in Manhattan. The complex sits on the border of several neighborhoods, including the East Village to the southeast, Greenwich Village to the south and southwest, Chelsea to the northwest, and both the Flatiron District and Gramercy Park to the north and northeast. The 14th Street–Union Square station is served by the 4, 6, L, N, and Q trains at all times; the 5 and R trains at all times except late nights; the W train on weekdays; and ⟨6⟩ train weekdays in the peak direction. The Lexington Avenue Line platforms were built for the Interborough Rapid Transit Company (IRT) as an express station on the city's first subway line, which was approved in 1900. The station opened on October 27, 1904, as one of the original 28 stations of the New York City Subway. As part of the Dual Contracts, the Broadway Line platforms opened in 1917 and the Canarsie Line platform opened in 1924. Several modifications have been made to the stations over the years, and they were combined on July 1, 1948. The complex was renovated in the 1990s and was placed on the National Register of Historic Places in 2005. The Lexington Avenue Line station has two abandoned side platforms, two island platforms, and four tracks, while the parallel Broadway Line station has two island platforms and four tracks. The Canarsie Line station, crossing under both of the other stations, has one island platform and two tracks. Numerous elevators make most of the complex compliant with the Americans with Disabilities Act of 1990 (ADA). The Lexington Avenue Line station, serving the 4, ​5, ​6, and <6> trains, is not ADA-accessible. In 2016, over 34 million passengers entered this station, making it the fourth-busiest station in the system.

The Coffee Shop was a restaurant and bar located next to Union Square, New York City. Before The Coffee Shop opened, the building was home to a coffee shop and cafe called Chase. The owners of Chase had placed a large neon sign outside the building reading "Coffee Shop" and the new tenant took its name from the sign and left it attached to the building. The restaurant was known for being popular with celebrities and members of New York's fashion scene.In mid-2018, the restaurant's owners announced it would close in October 2018. It is one of several restaurants on Union Square that have closed due to rising rents.

The Spingler Building (also Springler Building or 5 Union Square West) is an eight-story Romanesque building at 5–9 Union Square West, between 14th and 15th Streets, in the Union Square neighborhood of Manhattan, New York City. Built in 1897 by William H. Hume & Son, it replaced a five-story building of the same name, which burned down in 1892. The Spingler Building occupies an L-shaped lot wrapping around 15 Union Square West to the north, and is also adjacent to the Lincoln Building to the south.

The 1991 Union Square derailment occurred shortly after midnight on August 28, 1991, when a 4 Lexington Avenue Express train on the New York City Subway's IRT Lexington Avenue Line derailed as it was about to enter 14th Street–Union Square, killing five people. It was the worst accident on the subway system since the 1928 Times Square derailment. The motorman was found at fault for intoxication and excessive speed, and served time in prison for manslaughter.