MORE EVENTS ON THIS DAY

2017: After an unexpected victory over Democrat Hillary Clinton in the 2016 election, Republican Donald Trump was sworn in as the 45th president of the United States. [How much do you know about U.S. presidential elections?]

2001: Amid a corruption scandal that sparked mass protests, Philippine President Joseph Estrada was ousted from office; in 2007 he was convicted of plundering but was later pardoned. [ Sort fact from fiction in our quiz about Southeast Asia.]

1993: Belgian-born actress Audrey Hepburn—who created unforgettable film roles as the epitome of sophistication and glamour while paradoxically bewitching audiences and critics with her sprightly mannerisms and elfin charm—died in Switzerland. [Sort fact from fiction in our A-list of actors quiz.]

1981: The Iran hostage crisis ended when Ayatollah Ruhollah Khomeini released 52 Americans who had been held hostage for 15 months.

1962: Robinson Jeffers , one of the most controversial American poets of the 20th century, died. [Test your knowledge of poets and poetry.]

1778: British explorer James Cook landed at Waimea, on Kauaiisland, becoming the first European to visit Hawaii. [ Sort fact from fiction in our quiz about Hawaii.]