Abu Dhabi is the largest of the 7 seven emirates that make up the United Arab Emirates (UAE). The capital, also named Abu Dhabi, is the second largest city in the UAE and served as the provisional capital when the UAE was formed in 1971. Up until the discovery of oil there in the late 1950s, the economy of Abu Dhabi was sustained mainly by camel herding, fishing, and pearl diving. Who is the hereditary emir and ruler of Abu Dhabi?
P. G. Wodehouse
Back in the day
Lotario de' Conti became Pope of the Catholic Church in 1198 at the age of 37, taking the name "Innocent III." He set out immediately after his election to realize his ideal of the pope as ecclesiastical ruler of the world with some secular political power. Among other activities, Innocent III called for the Fourth Crusade, which went awry. What did the crusaders do instead of going to the Holy Land?
Born on a day like today
Hawking, one of the world's leading theoretical physicists, is famous for having provided mathematical support for the big-bang theory of the origin of the universe. He continues to work and teach, despite being severely disabled by amyotrophic lateral sclerosis (ALS), which confines him to a wheelchair and forces him to use a computer-generated voice synthesizer to communicate. He is the Lucasian Professor of Mathematics at Cambridge University; what other famous scientists have held this post?