Period 1: 1491-1607

62 Questions

Period 2: 1607-1754

74 Questions

Period 3: 1754-1800

136 Questions

Period 4: 1800-1848

130 Questions

Period 5: 1844-1877

117 Questions

Period 6: 1865-1898

124 Questions

Period 7: 1890-1945

156 Questions

Period 8: 1945-1980

151 Questions

Period 9: 1980-present

60 Questions