1471: Battle of Tewkesbury, Gloucestershire, final battle between the Houses of Lancaster and York: Prince of Wales, Edward of Westminster killed and King Edward IV restored to his throne. Re-restores political stability to England until his death in 1483.
1814: King Ferdinand VII of Spain signs the Decree of the 4th of May, returning Spain to absolutism
1904: Construction begins by the United States on the Panama Canal
1979: Margaret Thatcher becomes the first woman to be elected Prime Minister of the United Kingdom