Colonial period, ca. 1600-1775 (20)
18th century (15)
19th century (15)
20th century (14)
17th century (7)
21st century (7)
1982- (6)
1945- (5)
16th century (4)
Holocene (3)
To 1789. (3)
Tertiary (2)
1990- (1)
19th centeury (1)
2000- (1)
Cenozoic (1)
Cretaceous (1)
Pleistocene (1)
Republic, 1912-1949 (1)
To 1763 (New France) (1)
To 1775. (1)
To 1800 (1)
To 1803 (1)
To 1814. (1)
Unification, 1990 (1)
Colonial period, ca. 1600-1775 (20)
18th century (15)
19th century (15)
20th century (14)
17th century (7)
21st century (7)
1982- (6)
1945- (5)
16th century (4)
Holocene (3)
To 1789. (3)
Tertiary (2)
1990- (1)
19th centeury (1)
2000- (1)
Cenozoic (1)
Cretaceous (1)
Pleistocene (1)
Republic, 1912-1949 (1)
To 1763 (New France) (1)
To 1775. (1)
To 1800 (1)
To 1803 (1)
To 1814. (1)
Unification, 1990 (1)