World war one started because of two things [I’m just going to tell you one]. The to reasons were Germany were jealous of Britain because Britain ruled many countries. The other reason was one of the members of the black hand gang shot Franz Ferdinand and his wife. If you would like to learn about how the first world war happened please read on. The black hand gang The black hand gang was a vicious group of people in Serbia. the death of Franz Ferdinand and his beloved wife [which was called Sophie] was in Sarajevo and arrived by train at 9:28am . The Black hand gang tried to kill Franz, but they failed repetitively. At the end while the Black hand gang were having a picnic, they saw Franz and his wife while they were on a carriage they all stood up and one person shot them both dead. They were very close of failing because Franz had a bullet roof vest but he got shot on the neck.