- 1520 Battle of Otumba Mexico: Hernán Cortés and the Tlaxcalans defeat a numerically superior Aztec force
- 1753 British Museum founded by an Act of Parliament (opens in 1759)
- 1937 Japanese & Chinese troops clash at the Marco Polo Bridge, beginning of Second Sino-Japanese War
- 1947 Alleged and disputed Roswell UFO incident occured
- 2005 Coordinated terrorist bomb blasts strike London's public transport system during the morning rush hour killing 52 and injuring 700
- 2005 Influenced by Live 8, the G8 leaders pledge to double 2004 levels of aid to Africa from US$25 to US$50 billion by the year 2010.
Sliced bread sold for the first time by the Chillicothe Baking Company, Missouri. Described as the greatest forward step in the baking industry since bread was wrapped.
On July 7, 1928