April 24 (UPI) -- On this date in history: In 1704, the Boston News-Letter became the first U.S. newspaper to be published on a regular basis. In 1800, the U.S. Congress established the Library of Congress. In 1913, the Woolworth Building, designed by architect Cass Gilbert, an early proponent of skyscrapers, opened to the public and its tenants. In 1914, the Easter Rising began. Irish republicans armed themselves in rebellion against the British government. Nearly 500 people died --including