MORE EVENTS ON THIS DAY

2007: Argentine lawyer and politician Cristina Fernández de Kirchner became the first woman elected president of Argentina. [Take our quiz about famous firsts for women.]

1967: American actress Julia Roberts, whose deft performances in varied roles helped make her one of the highest-paid and most-influential actresses in the 1990s and early 2000s, was born. [Sort fact from fiction in our quiz about A-list actors.]

1955: American computer programmer and entrepreneur Bill Gates—who cofounded Microsoft, the world's largest personal-computer software company—was born. [ Take our computer technology quiz.]

1914: American physician and medical researcher Jonas Salk, who developed the first safe and effective vaccine for polio, was born. [Take our quiz about human health.]

1726: Anglo-Irish author Jonathan Swift anonymously published Travels into Several Remote Nations of the World (later called Gulliver's Travels), a keystone of English literature that helped give birth to the novel form. [Take our quiz about literary classics.]

1971: Great Britain launched Prospero, its first Earth satellite. [Take our quiz about objects in space.]