1/4 President Donald Trump signs a presidential memorandum declaring the opioid crisis a public health emergency in the East Room at the White House in Washington, D.C., on October 26, 2017. File Photo by Kevin Dietsch/UPI | License Photo Oct. 26 (UPI) -- On this date in history: In 1825, the Erie Canal, America's first man-made waterway, was opened, linking the Great Lakes and Atlantic Ocean via the Hudson River. Advertisement In 1881, the storied gunfight at the O.K. Corral occurred in Tombstone, Ariz. In 1920, the lord mayor of Cork, Ireland, Terence McSwiney, demanding independence for Ireland, died after...