Which country ruled Chad as a colony until its independence in 1960?

In which 1962 play do George and Martha, who have an imaginary son, entertain Nick and Honey? An ornate chairback is a hallmark of the furniture style named for which English cabinetmaker who died in 1779? Chaco Central, Chaco Austral and the Pampa de las Salinas are regions of which South American country? Chad Michael Murray plays a modern-day Prince Charming in which 2004 film set in the San Fernando Valley? Chaim Weizmann was elected the first president of which country in February 1949? Which Swede chaired the board of Sweden's central bank in the 1940s and became UN secretary-general in 1953? Which gemstone's name is also used for a baseball infield? Chamonix, France, hosted the first of which Olympic Games in 1924?