3114 BC – The Mesoamerican Long Count calendar, used by several pre-Columbian Mesoamerican civilizations, began. This was the calendar that caused the Friday, December 21, 2012 fears.
1858 – The Eiger in the Bernese Alps was ascended for the first time by Charles Barrington, along with Christian Almer and Peter Bohren.
1929 – Babe Ruth became the first baseball player to hit 500 home runs in his career with a home run at League Park in Cleveland, Ohio.
1942 – Actress Hedy Lamarr and composer George Antheil received a patent (#2,292,387) for a Frequency-hopping communication system which later became the basis for modern technologies like wireless telephones and Wi-Fi.
1962 – #1 Hit August 11, 1962 – August 24, 1962: Neil Sedaka – Breaking Up Is Hard to Do
1965 – The arrest of accused drunk driver, Marquette Frye, escalated to become the Watts Riots in Los Angeles.
1982 – A bomb exploded on Pan Am Flight 830, en route from Tokyo, Japan to Honolulu, Hawaii, killing one teenager and injuring 15 passengers. Jordanian Mohammed Rashed placed the bomb, and the pilot was able to later land in Hawaii.
1984 – #1 Hit August 11, 1984 – August 30, 1984: Ray Parker, Jr. – Ghostbusters
1984 – “We begin bombing in five minutes” – US President Ronald Reagan joked, while preparing to make his weekly Saturday address on National Public Radio.
1991 – Nickelodeon aired the first episodes of Doug, Rugrats and Ren & Stimpy
2007 – #1 Hit August 11, 2007 – September 7, 2007: Sean Kingston – Beautiful Girls