New York City modernized its subway by starting its first unmanned trains.
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Albert Einstein visited New York City and lectured on his Theory of Relativity for the first time.
The first power plant in the US, 'Pearl Street Station,' in Manhattan, New York, started generating electricity.
The first President of the United States, George Washington, delivered the first State of the Union address in New York City.
Santiago de Compostela derailment.
The Great Fire of New York ended.
