Bellingshausen sights Peter I Island and discovers Alexander Island
- When
- 1821
- Where
- Bellingshausen Sea
- Episodes
- 2
Fabian Gottlieb von Bellingshausen's First Russian Antarctic Expedition sighted Peter I Island on 21 January 1821 and discovered Alexander Island on 28 January 1821. These events marked the first sightings of Antarctic land south of the Antarctic Circle by this expedition, disproving earlier assumptions about southern ice-fields.
Episodes
- Sighting of Peter I Island
Bellingshausen's expedition sighted Peter I Island on 21 January 1821, marking the first land spotted south of the Antarctic Circle.
- Discovery of Alexander Island
Alexander Island, the largest in Antarctica, was discovered on 28 January 1821 and named for Tsar Alexander I.
Background and detail
Expedition Context. Bellingshausen, a Baltic German naval officer and cartographer, commanded the 1819–1821 expedition intended to explore the Southern Ocean. The journey began from Kronstadt in June 1819. The expedition crossed the Antarctic Circle in January 1820, becoming the first to do so since Cook, setting the stage for subsequent island discoveries.
Nomenclature. Peter I Island was named after Peter I of Russia. Alexander Island, the largest island in Antarctica, was named Alexander I Land for the reigning Tsar Alexander I. These names reflect the imperial patronage of the Russian expedition during its exploration of the Bellingshausen Sea.
People involved
- Fabian Gottlieb von Bellingshausen · Expedition Leader
Sources
- Peter I Island Wikipedia, revision of 2026-08-15
- Alexander Island Wikipedia, revision of 2026-07-13
- Fabian Gottlieb von Bellingshausen Wikipedia, revision of 2026-07-09
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.