Which Fast Food Chain Opened in the UK First, Burger King or KFC? October 12, 2012 Which of these fast food chains was first to open a restaurant in the UK, Burger King or KFC? The first to open a restaurant in the United Kingdom was KFC. The first Burger king was in 1977 but the first KFC was in 1965. Related PagesHow many King Georges have there been?When will Prince George be King?Is the Royal Baby a Boy or Girl?What will the Royal Baby Boy be Named?