Timeline Thursday 21 May 1925

Events on Thursday 21 May 1925 1

• 1925 Amundsen-Ellsworth polar flight expedition Two flying boats attempt to reach the North Pole by air Roald Amundsen and Lincoln Ellsworth led an expedition with two Dornier flying boats from Svalbard toward the North Pole, aiming to be first to reach it by air. One aircraft was damaged landing on the ice, and the crews spent weeks repairing the other before flying back to safety. The expedition fell short of the pole but demonstrated the feasibility of polar aviation ahead of Amundsen's airship flight the following year.