A Brief History of St. Patrick's Day

St. Patrick's Day
Ted Spiegel / Corbis

The Troubles Spill Over
In the 1970s, marchers in St. Patrick's Day parades from New York to Boston (above) politicized the event, holding banners supporting Irish Catholic freedom from English rule. The peace accords ending violence between English Protestants and the Irish Catholics weren't finalized until 1998.

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