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Updated:Apr 23, 2026
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Great Northern Expedition and Russian mapping of eastern Siberia and the North Pacific (1733–1743)

Great Northern Expedition and Russian mapping of eastern Siberia and the North Pacific (1733–1743)

  1. Imperial order launches the Great Northern Expedition

    Labels: Great Northern, Imperial Russia

  2. Okhotsk develops into a key Pacific staging port

    Labels: Okhotsk, Pacific port

  3. Malygin’s detachment surveys the western Arctic coast

    Labels: Stepan Malygin, Western Arctic

  4. Scientific fieldwork begins across Siberia and Kamchatka

    Labels: Scientific fieldwork, Stepan Krasheninnikov

  5. Spanberg explores routes toward Japan from Okhotsk

    Labels: Martyn Spanberg, Japan routes

  6. Petropavlovsk founded as a Pacific harbor settlement

    Labels: Petropavlovsk, Avacha Bay

  7. Bering and Chirikov depart to search eastward

    Labels: Vitus Bering, Aleksei Chirikov

  8. Chirikov sights North American land and sends boats

    Labels: Aleksei Chirikov, North America

  9. Bering’s crew records Alaska-area coasts and islands

    Labels: Vitus Bering, Alaska coasts

  11. Chelyuskin reaches what became Cape Chelyuskin

    Labels: Semion Chelyuskin, Cape Chelyuskin

  13. Laptev parties complete major Arctic coastal surveys

    Labels: Khariton Laptev, Dmitry Laptev

  14. Expedition winds down; mapping legacy consolidates

    Labels: Mapping legacy, Great Northern