On this day in 2013, 34-year-old aerialist Nik Wallenda becomes the first person to walk a high wire across the Little Colorado River Gorge near Grand Canyon National Park in Arizona. Wallenda wasn’t wearing a safety harness as he made the quarter-mile traverse on a 2-inch-thick steel cable some 1,500 feet above the gorge. In […]

On this day in 2013, two bombs go off near the finish line of the Boston Marathon, killing three spectators and wounding more than 260 other people in attendance. Four days later, after an intense manhunt that shut down the Boston area, police captured one of the bombing suspects, 19-year-old Dzhohkar Tsarnaev; his older brother […]

On this day in 2013, Margaret Thatcher, the first–and so far only–female prime minister of the United Kingdom, dies in London at age 87 from a stroke. Serving from 1979 to 1990, Thatcher was the longest-serving British prime minister of the 20th century. She curbed the power of Britain’s labor unions, privatized state-owned industries, led […]

On this day in 2012, former Egyptian president Hosni Mubarak is found guilty of failing to stop the killings of hundreds of anti-government demonstrators during the 2011 popular uprising that forced an end to his nearly 30 years in power. The 84-yer-old Mubarak was sentenced to life in prison. Born in Egypt in 1928, Mubarak […]

On this day in history, Facebook, the world’s largest social network, holds its initial public offering (IPO) and raises $16 billion. It was the largest technology IPO in American history to that date, and the third-largest IPO ever in the United States, after those of Visa and General Motors. At the time it went public, […]

On this day in 2012, broadcast journalist Mike Wallace, a full-time correspondent for the pioneering TV newsmagazine “60 Minutes” from its debut in 1968 until 2006, dies at age 93 in New Canaan, Connecticut. During his career, Wallace interviewed everyone from world leaders to Hollywood celebrities to scam artists, and was well-known for his hard-nosed […]

On this day in 2011, NASA’s space shuttle program completes its final, and 135th, mission, when the shuttle Atlantis lands at Kennedy Space Center in Florida. During the program’s 30-year history, its five orbiters—Columbia, Challenger, Discovery, Atlantis and Endeavour—carried more than 350 people into space and flew more than 500 million miles, and shuttle crews […]

On this day in 2011, Osama bin Laden, the mastermind behind the September 11, 2001, terrorist attacks in the United States, is killed by U.S. forces during a raid on his compound hideout in Pakistan. The notorious, 54-year-old leader of Al Qaeda, the terrorist network of Islamic extremists, had been the target of a nearly […]

On this day in 2011, Great Britain’s Prince William marries his longtime girlfriend Catherine Elizabeth “Kate” Middleton at Westminster Abbey in London. Some 1,900 guests attended the ceremony, while another 1 million spectators lined the streets of London and an estimated 2 billion people around the world watched on television. The 29-year-old bride and 28-year-old […]

On this day in 2007, Apple Inc. CEO Steve Jobs unveils the iPhone—a touchscreen mobile phone with an iPod, camera and Web-browsing capabilities, among other features—at the Macworld convention in San Francisco. Jobs, dressed in his customary jeans and black mock turtleneck, called the iPhone a “revolutionary and magical product that is literally five years […]