The document provides information about things to know before visiting the United Kingdom. It discusses that the UK is comprised of four parts: England, Scotland, Wales, and Northern Ireland. Queen Elizabeth II is the longest reigning British monarch. Popular tourist attractions in British legends include Stonehenge and Loch Ness. The British pound is the official currency and the UK is part of the European Union. William Shakespeare is considered the most outstanding figure in British literature. British people drive on the left side of the road due to historical conventions.