a speech in the House of Commons, offering the British "guarantee" of the independence of Poland. April April 1 – The Spanish Civil War comes to an end when the last of the Republican forces surrender. April 3 Adolf Hitler orders the German military to start planning for Fall Weiß, the codename for the invasion of Poland. Refik Saydam forms the new government in Turkey (12th government; Refik Saydam has served twice as a prime minister). April 4 Faisal II becomes King of Iraq aged three, following the death of his father, Ghazi, in an automobile incident. The Slovak–Hungarian War ends, with Slovakia ceding eastern territories to Hungary. Polish Foreign Minister Colonel Józef Beck, in London, signs a treaty designed to bilateralize Neville Chamberlain's "Polish Guarantee" of March 31. April 7 Italy invades Albania; King Zog flees. Joseph Lyons, 10th Prime Minister of Australia, dies in office from a heart attack at the age of 59. He is briefly replaced by his deputy Earle Page, who serves as the 11th Prime Minister, until a UAP leadership election is held to replace Lyons. April 9 – African-American singer Marian Anderson performs before 75,000 people at the Lincoln Memorial in Washington, D.C., after having been denied the use both of Constitution Hall by the Daughters of the American Revolution, and of a public high school by the federally controlled District of Columbia. First Lady of the United States Eleanor Roosevelt resigns from the DAR because of their decision. April 11 – Hungary leaves the League of Nations. April 14 – At a meeting in Paris, French Foreign Minister Georges Bonnet meets with Soviet Ambassador Jakob Suritz, and suggests that a "peace front" comprising France, the Soviet Union, Great Britain, Poland and Romania would deter Germany from war. April 18 The Soviet Union proposes a "peace front" to resist aggression. Robert Menzies is elected leader of the United Australia Party, and consequently becomes the 12th Prime Minister of Australia, defeating former Prime Minister Billy Hughes. However, he will not be sworn in until April 26, due to Earle Page and his Country Party refusing to serve under him. April 20 – Billie Holiday records "Strange Fruit", the first anti-lynching song, in the United States. April 25 – The Federal Security Agency (FSA) is founded in the United States, along with the Civilian Conservation Corps and Public Health Service. April 28 – In a