On this day in 1855, the Panama railroad was completed, linking the Atlantic and Pacific oceans.
On this day in 1909, the United States relinquished control of Cuba.
On this day in 1943, Adolf Hitler mobilized the whole German adult population was for Germany's war effort.
On this day in 2011, President Ma Ying-jeou opened a Facebook account, which attracted about 80,000 fans in the first 12 hours.