27th May 1921
Suspected IRA members being interrogated by the Royal Irish Constabulary at the Wicklow Hills.
The Provisional Priamurye Government is established in eastern Siberia by remnant White forces after an anti-Bolshevik coup takes place in Vladivostok. Leaders of the government: N.D. Merkulov, G.K. Stark, and S.D. Merkulov.
Ship Losses:
Dannedaike (United States) The cargo ship sank at Philadelphia, Pennsylvania.