In 1815,

escaped from exile on the Island of Elba and headed back to France in a bid to regain power. In 1904, the United States and Panama proclaimed a treaty under which the U.S. agreed to undertake efforts to build a ship canal across the Panama isthmus. In 1919, President Woodrow Wilson signed a congressional act establishing Grand Canyon National Park in Arizona. In 1952, Prime Minister Winston Churchill announced that Britain had developed its own atomic bomb. In 1962, after becoming the Earth, astronaut John Glenn told a joint meeting of Congress, “Exploration and the pursuit of knowledge have always paid dividends in the long run.” In 1970, National Public Radio was incorporated. In 1987, the Tower Commission, which investigated the Iran-Contra affair, issued a report rebuking President Ronald Reagan for failing to control his national security staff. In 1993, a truck bomb built by terrorists exploded in the parking garage of New York’s World Trade Center, killing six people and injuring more than 1,000 others.