September 23 in American History

September 23, 1780 — Benedict Arnold's plot is exposed

British Major John André was captured near Tarrytown, New York, carrying documents that revealed General Benedict Arnold's plan to surrender West Point for cash and a British commission. Arnold escaped to the British side; André was hanged as a spy. The most famous act of treason in American history, caught almost by accident.

Common Questions About September 23

What happened on September 23 in American history?

In 1780: Benedict Arnold's plot is exposed. British Major John André was captured near Tarrytown, New York, carrying documents that revealed General Benedict Arnold's plan to surrender West Point for cash and a British commission.

Why is September 23 significant?

British Major John André was captured near Tarrytown, New York, carrying documents that revealed General Benedict Arnold's plan to surrender West Point for cash and a British commission. Arnold escaped to the British side; André was hanged as a spy. The most famous act of treason in American history, caught almost by accident.

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