Theresa May is the Queen’s 13th British prime minister. And she probably won’t be her last.

LONDON--Queen Elizabeth II has seen it all before -- 12 times before, to be precise. On Wednesday, she will say goodbye to her David Cameron, her 12th prime minister, and hello to Theresa May, her 13th. While a political earthquake has shook Westminster to its core and triggered the resignations of a number of politicians, […]

Source: http://www.washingtonpost.com/blogs/worldviews/wp/2016/07/13/theresa-may-is-the-queens-13th-british-prime-minister-and-she-probably-wont-be-her-last/