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.
Iroquoian society around 1500; French society in New France around 1645; Canadian society in New France around 1745
Changes in Iroquoian society (1500-1745) and in New France (1645-1745)
Iroquoians and Algonquians around 1500; Iroquoians and Incas around 1500; New France and the Thirteen Colonies around 1745