1936 – In Germany, Adolf Hitler receives 99% of the votes in a referendum to ratify Germany's illegal reoccupation of the Rhineland, receiving 44.5 million votes out of 45.5 million registered voters.
1962 – Arturo Frondizi, the president of Argentina, is overthrown in a military coup by Argentina's armed forces, ending an 11½ day constitutional crisis.
1990 – The Czechoslovak parliament is unable to reach an agreement on what to call the country after the fall of Communism, sparking the so-called Hyphen War.