UK By d.cannie Apr 21, 1170 Population of London exceeds 30,000 for the first time Jan 1, 1652 Tea arrives in Britain de thee arriveert in de UK Apr 19, 1721 Sir Robert Walpole becomes the first Prime Ministe Apr 19, 1837 Queen Victoria becomes Queen at the age of 18 Apr 19, 1914 First World War Apr 19, 1918 First World War is ending Apr 19, 1939 The Second World War Apr 19, 1952 Elizabeth II becomes Queen Apr 21, 1973 Britain joins the European Community Apr 21, 2003 England Wins the Rugby World Cup