Real estate developer Donald John Trump was born in 1946, in Queens, New York. In 1971, he became involved in large, profitable building projects in Manhattan. In 1980, he opened the Grand Hyatt, which made him the city's best-known developer. In 2004, Trump began starring in the hit NBC reality series The Apprentice, which also spawned the offshoot The Celebrity Apprentice. Trump turned his attention to politics, and in 2015 he announced his candidacy for president of the United States on the Republican ticket. After winning a majority of the primaries and caucuses, Trump became the official Republican candidate for president on July 19, 2016. That November, Trump was elected the 45th President of the United States when he defeated Democratic candidate Hillary Clinton.