Take a look at a comprehensive breakdown on Which Famous Polar Expedition Ended in the 1920S? the True Answer Unpacked.

To untangle the overlapping timelines that confuse casual searchers, the following structured breakdown contrasts the major polar operations that terminated between 1920 and 1929 across both hemispheres.

Expedition Name Active Years Expedition Leaders Primary Region Historic Outcome & Impact
Shackleton-Rowett Expedition (Quest) 1921, 1922 Ernest Shackleton; Frank Wild Antarctica / Sub-Antarctic Ocean Shackleton died at South Georgia; voyage marked the formal end of Antarctica's Heroic Era.
Ada Blackjack / Wrangel Island Colony 1921, 1923 Allan Crawford; Ada Blackjack Chukchi Sea / Russian Arctic Four male explorers perished from scurvy and ice crossings; Blackjack survived solo for months.
Maud Expedition 1918, 1925 Roald Amundsen; Oscar Wisting Northeast Passage / Arctic Basin Completed Northeast Passage navigation but failed to drift across the pole; ended in bankruptcy.
Airship Italia Flight & Rescue Mission 1928 Umberto Nobile; Roald Amundsen Svalbard / Barents Sea Pack Ice Airship crashed; international rescue saved survivors, but Amundsen vanished aboard rescue plane.