The societies are set for the two-year cycle; schools decide which are studied in each year.
Below is how the official curriculum organizes it. Each strand will get full lessons like the ones in Grade 1 Mathematics.
Canadian society around 1820; Québec society around 1905; Québec society around 1980
Changes from 1745 to 1820, 1820 to 1905 and 1905 to 1980
Québec and the Canadian Prairies, the Prairies and the West Coast around 1905; Micmac and Inuit around 1980; Québec and a nondemocratic society around 1980