30 June It Happened Today
1520 Aztec king Montezuma II is killed by Spaniard Hernando Cortez.
1859 Charles Blondin crosses Niagra Falls on a tightrope.
1894 London’s Tower Bridge is officially opened.
1919 Death of British physicist Lord Rayleigh.
1966 Birth of American boxer Mike Tyson.
1974 Russian ballet dancer Mikhail Baryshnikov defects while on tour in Canada.
1997 Britain officially hands Hong Kong back to China as the 99 year lease comes to an end.