The Union Flag, or Union Jack, is the national flag of the United Kingdom. It is so called because it combines the crosses of the three countries united under one Sovereign - the kingdoms of England and Wales, of Scotland and of Ireland (although since 1921 only Northern Ireland has been part of the United Kingdom). Union Jack
1. London’s transport system might be bigger than you think. London has one of the oldest transport systems in the world – and also one of the largest. The 270 functioning stations of the London Underground boast over 400 escalators (the longest is at Angel in North London), but there are another 40 stations that aren’t even used anymore – and that’s before we even mention the famous red buses.