JG: Or here's a video that I made as part of my show "Crash Course," talking about World War I: (Video) The immediate cause was of course the assassination in Sarajevo of the Austrian Archduke Franz Ferdinand, on June 28, 1914, by a Bosnian-Serb nationalist named Gavrilo Princip.
JG: Ili ovo je moja snimka kao dio mog programa "Crash Course" dok pričam o Drugom svjetskom ratu: (Video) Neposredni uzrok je, naravno, bio atentat u Sarajevu austrijskog nadvojvode Franje Ferdinanda, 28. lipnja 1914., od strane bosansko-srpskog nacionalista imena Gavrilo Princip.