Old English, ca. 450-1100 (372)
Ottoman Empire, 1288-1918 (227)
Old High German, 750-1050 (46)
Occupation, 1939-1945 (42)
Osakuntatalo. (15)
Old Kingdom, ca. 2686-ca. 2181 B.C (12)
Occupation, 1941-1944 (9)
Opium War, 1840-1842 (9)
Otto I, 936-973 (5)
Old English, ca 450-1100 (3)
Old English, approximately 450-1100 (2)
Old English, ca.450-1100 (2)
Old High German (2)
Old High German 750-1050 (2)
Old High German, 850-1050 (2)
Orange Revolution, 2004 (2)
Orange Revolution, 2004. (2)
Origin (2)
Oscar II, 1872-1907 (2)
Otho I, 1832-1862 (2)
Oulu (2)
Occupation and evacuation, 1871-1873 (1)
Oktober 2021 (1)
Old English, ca. 450-1150 (1)
Oligocene (1)
Ontario (1)
Oregon (1)
Osakuntatalo (1)
Osmanien valtakunta. (1)
Ostia (1)
Otto III, 983-1002 (1)
Oulu region (1)
Oulun lääni (1)
Ozark Mountains (1)