The US held its first horse race in Long Island, New York.
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Photographer Alfred Stieglitz opened The Little Galleries of the Photo-Secession in Manhattan, New York.
The Hands Across America charity event was held.
The Woodstock Music & Art Fair opens its doors to participants and spectators.
A 3,500-year-old Ancient Egyptian obelisk called 'Cleopatra's Needle' was erected in Central Park, New York, US.
Construction started on Chicago's first-ever skyscraper for the Home Insurance Company of New York.