71. In the War of the Pacific (1879 - 1883), Bolivia lost its access to the Pacific Ocean after being defeated by which South American country?
72. On which day did the attempted coup d'etat of 1991 in the Soviet Union begin?
73. In 1939, Britain and France declared war on Germany after it invaded which country?
74. Who was among those killed in the 2010 Smolensk, Russia plane crash tragedy?
75. Which country was an allied power in World War II?