February 25: Ash Wednesday in Western Christianity (2009); Losar in Tibet (2009); National Day in Kuwait * 1570 – Pope Pius V issued the papal bull Regnans in Excelsis to excommunicate Queen Elizabeth I and her followers in the Church of England. * 1836 – American inventor and industrialist Samuel Colt received a patent for a "revolving gun", later known as a revolver. * 1956 – In his speech On the Personality Cult and its Consequences to the 20th Party Congress, Soviet Leader Nikita Khrushchev denounced the personality cult and dictatorship of his predecessor Joseph Stalin. * 1986 – Corazon Aquino was inaugurated as the first female President of the Philippines after Ferdinand Marcos fled the nation after twenty years of rule because of the People Power Revolution. * 199