What is Brexit? UK leaving the EU has been shortly defined as Brexit, originally the words Britain and exit are merged in a manner that in very single word it is called Brexit. Therefor mainly it is the exit. You can say when the italy would exit the European union it would be itexit or the same by taking the first two letters from the name of a country. Why is Britain leaving the European Union? A historical event which would be enlisted as one of the greatest event in the history of european union was the referendum which was held on Thursday 23 June, 2016. The main question was whether UK should stay in European Union or it should leave it. Those who voted to quit were 51.9% and those who thought that Uk should be in EU were 48.1%. Total of the population 71.8% participated in the referendum, overall 30 million people voted in this referendum. What was the breakdown across the UK? Britain voted in favor of Brexit, by 53.4% to 46.6%. Ridge...