2015 Event Scientists report that climate change may be influenced by the carbon dioxide released by undersea volcanoes, which have been assumed until now to have a negligible effect; further studies are needed to assess the degree of impact 1976 Event Portuguese constitution assumed 1952 Birthday Robert Ainsworth, born in Coventry, England, Robert William Ainsworth, politician, Labor Party, 2009, assumed roles of Secretary of State for Defense, since 1992, serves as a Member of Parliament for Coventry North East 1925 Birthday Idi Amin, born in Uganda, military dictator, president of Uganda, assumed role of Chairman of the Organization of African Unity, attempted to annex Kagera, Tanzania 1924 Event J. Edgar Hoover assumed leadership of the FBI 1921 Event New rules of language assumed, equal rights Flemings/Walen Belgium