Video: 'Experience Panama - Seven Wonders Of The World - Episode 5: The Panama Canal, by BBC' (Oct. 10, 1913, at 47:11)

(Friday, October 10, 1913, 2 p.m. local time) — The Panama Canal was effectively completed today as President Woodrow Wilson sent a signal from the White House by telegraph, setting off explosives that destroyed a section of the Gamboa dike.