Slot machines are popular casino games that constitute about 70% of the average casino's income. The player pulls a handle to rotate a series of reels that have pictures printed on them. Winning or losing is determined by which pictures line up with the pay line, a line in the middle of a viewing window. Some believe skill is involved in the game, but the probability of a win is determined by the game's random number generator. Who invented the slot machine?
Back in the day
Modern Italy became unified under the house of Savoy on March 17, 1861, largely through the efforts of Cavour, Garibaldi, and Victor Emmanuel II, who became king of Italy in 1861. The protectorate of Napoleon III over the Papal States delayed the Italian annexation of Rome until 1870. Relations between the Italian government and the papacy, which refused to concede the loss of its temporal power, remained a major problem until 1929, when what treaty made the pope sovereign within Vatican City?
Born on a day like today
The best all-around women's soccer player of her generation, Hamm helped popularize the sport in the US. A tireless forward, she played for the University of North Carolina, leading the team to 4 NCAA titles. At 15 she became the youngest person to play for the US national team, which won 2 Women's World Cups and 2 Olympic gold medals while she was a member. When she retired from the national team in 2004, she held the international record for what?