1998 – Apple introduces the iMac computer.

1977 – The Big Ear, a radio telescope operated by Ohio State University as part of the SETI project, receives a radio signal from deep space; the event is named the "Wow! signal" from the notation made by a volunteer on the project.

1971 – President Richard Nixon completes the break from the gold standard by ending convertibility of the United States dollar into gold by foreign investors.

1969 – The Woodstock Music & Art Fair opens in Bethel, New York, featuring some of the top rock musicians of the era.

1965 – The Beatles play to nearly 60,000 fans at Shea Stadium in New York City, an event later regarded as the birth of stadium rock.

1939 – The Wizard of Oz premieres at Grauman's Chinese Theater in Los Angeles, California.

On this day in history, August 15, 1935, entertainer Will Rogers, aviator Wiley Post killed in plane crash

2023 – Former U.S. President Donald Trump is charged in Georgia along with 18 others in attempting to overturn the results of the 2020 election in that state, his fourth indictment of 2023.

On this day in history, August 14, 1935, Social Security is signed into law by FDR

1942 – Major General Eugene Reybold of the U.S. Army Corps of Engineers authorizes the construction of facilities that would house the "Development of Substitute Materials" project, better known as the Manhattan Project.

On this day in history, August 13, 2004, iconic American chef Julia Child dies

2017 - The Unite the Right rally occurs in Charlottesville, Virginia, leading to the deaths of 3 and injuring nearly 50 more.

1994 – Major League Baseball players go on strike, eventually forcing the cancellation of the 1994 World Series.

1981 – The IBM Personal Computer is released.

1883 – The last quagga dies at the Natura Artis Magistra, a zoo in Amsterdam, Netherlands.

1865 – Joseph Lister, British surgeon and scientist, performs the first antiseptic surgery.

On this day in history, August 12, 1877, Thomas Edison invents the phonograph

1942 – Actress Hedy Lamarr and composer George Antheil receive a patent for a Frequency-hopping spread spectrum communication system that later became the basis for modern technologies in wireless telephones, two-way radio communications, and Wi-Fi.

1929 – Babe Ruth becomes the first baseball player to hit 500 home runs in his career with a home run at League Park in Cleveland, Ohio.

On this day in history, August 11, 1964, Beatles' iconic film 'A Hard Day's Night' is released