On this day: May 17

Published On: May 16 2013 03:12:43 PM CDT   Updated On: May 17 2013 01:00:00 AM CDT

St. Louis nearly burns to the ground, the first Kentucky Derby is held, the Supreme Court strikes down segregated schools, the Senate Watergate Committee begins televised hearings, and same-sex marriages begin in Massachusetts, all on this day.

OTD May 17 - Buttonwood Agreement
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Library of Congress

1792: What would become the New York Stock Exchange is formed when 24 stockbrokers outside of 68 Wall Street in New York City sign an agreement under a buttonwood tree. The Buttonwood Agreement, as it came to be known, established that the brokers were to deal exclusively with each other and set commissions at 0.25 percent.

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