1-152-150 - Ann Ronan Picture Library/Heritage-Images

Alexander I (1888-1934), King of the Serbs, Croats and Slovenes. Inset is Peter II (1923-1970), his son and King of Yugoslavia from 1934-1945. Alexander ruled as King of the Serbs, Croats and Slovenes from 1921-1929, then as King of Yugoslavia from 1929-1934. He was Commander-in-Chief of the Serbian army in World War I when he was Crown Prince of Serbia. In 1934, while on a state visit to France, Alexander was assassinated in Marseilles by a Macedonian in the pay of Croat nationalists.