Notable events that occurred in 1976 include the United States celebrating its 200th birthday, the first commercial Concord completing a trans-Atlantic flight and the U.S. Supreme Court ruling in the case of Gregg v. Georgia that the death penalty was constitutional. In April of 1976, Steve Jobs and Steve Wozniak created Apple Computer.
In world news, a military coup removed Argentinean President Isabel Peron from office, and the U.S. ambassador to Lebanon, Francis E. Meloy, Jr., was assassinated in Beirut after members of the Popular Front for the Liberation of Palestine kidnapped him. That year, an earthquake also struck Guatemala and Honduras, killing more than 22,000 people.
In September, 1976, the National Aeronautics and Space Administration orbiter Viking 2 landed on Mars. Viking 2 took close-up color photos of Mars' surface for the first time and analyzed the content of the soil, discovering silicon, iron, magnesium, aluminum and sulfur.
Five Hispanic members of the U.S. Congress, including Herman Badillo and Henry B. Gonzalez, formed the Congressional Hispanic Caucus in 1976. The CHC still exists as of 2015, and its purpose is to both help meet the needs of Hispanic communities and determine the impact of domestic and foreign policies on the Hispanic population.
In sports, the winter Olympics took place in Innsbruck, Austria after Colorado, which was originally supposed to hold the event, failed to prepare in time. During the Olympics, Terry Kubicka of the United States performed the first successful backflip in figure skating, and ice dancing premiered for the first time.