Scenes from St. Patrick's Day Parade in NYC (15 images)

Notable New York City and Irish figures celebrate at the St. Patrick's Day Parade in New York City on Saturday. The New York City St. Patrick's Parade is the oldest and largest St. Patrick's Day Parade in the world. The first parade was held on March 17, 1762. Photos by John Angelillo/UPI

New York City Mayor Bill de Blasio holds an Irish flag while marching on Fifth Avenue.

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A man covered in dozens of Irish buttons watches the St. Patrick's Day Parade.

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From left to right, Republic of Ireland Prime Minister Leo Varadkar, New York Gov. Andrew Cuomo and Rep. Peter King, R-N.Y., march on Fifth Avenue.

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Varadkar greets a group of paradegoers wearing Ireland hats. Varadkar spent the previous day in Washington for the traditional Shamrock bowl presentation at the White House.

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