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Civilizations Societies

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Ottoman Caravanserais, Roads, and Imperial Communication Networks

1545 - 1794

Otto von Bismarck's Chancellorship (1871-1890)

1871 - 1890

Orientalizing Period: Near Eastern Influences on Greek Art (c. 750–600 BCE)

800 BCE - 580 BCE

Organisation of African Unity and Early Pan-African Diplomacy (1963–1980)

1959 - 1980

Oregon Treaty and Settlement of the Pacific Northwest (1846–1859)

1843 - 1859

Oracle bone divination at Anyang (Yin) (c. 1250–1046 BCE)

1300 BCE - 2006

Opposition from Churches and Religious Groups in Nazi Germany (1933–1945)

1933 - 1945

Operation Barbarossa and the Eastern Front (1941–1944)

1941 - 1944

Opera Buffa in Naples — Paisiello, Cimarosa, and the Neapolitan Theaters (1760–1790)

1764 - 1789

Ōnin War and the fragmentation of central authority (1467–1573)

1454 - 1573

One-Child Policy: Implementation, Enforcement, and Repeal (1979–2015)

1971 - 2015

Omani Zanzibar: East African Enslavement and the Indian Ocean Trade (18th–19th centuries)

1698 - 1909

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