Today is Friday, July 13, the 195th day of 2012. There are 171 days left in the year.

432 B.C. ― Origin of Metonic Cycle

1898 ― Guglielmo Marconi patents the radio

1908 ― Fourth modern Olympic Games opens in London

1917 ― Vision of Virgin Mary appeared to children of Fatima, Portugal

1934 ― Babe Ruth hits 700th homerun against Detroit

1960 ― Democratic National convention nominates Sen. John F. Kennedy for president

1978 ― Alexander Ginzburg sentenced by Soviet court to eight years

1978 ― BBC bans Sex Pistols ``No One is Innocent"

1978 ― Lee Iacocca fired as Ford Motor president by Chairman Henry Ford II

1985 ― Live Aid, a rock concert in London, Philadelphia, Moscow and Sydney