March 31st ~ This Day in History video by History.com ~ 1889: The Eiffel Tower opened : The Eiffel Tower was dedicated in Paris on the 31st March 1889, in a ceremony presided over by Gustave Eiffel, the tower’s designer, and attended by French Prime Minister Pierre Tirard, and a handful of other dignitaries, and 200 construction workers. The Eiffel Tower of open-lattice wrought-iron was the world’s tallest man-made structure at  324 metres (1,063 ft). | & more about history on this day in the video…