...in 1189, Richard Cromwell, aka Richard the 1st, aka Richard the Lionheart, is crowned King of England in Westminster Abbey. Richard was most notable for being the orchestrator the 3rd Crusade.
In 1783, the Treaty of Paris was signed, officially ending the rebellion of the American colonies against the English crown. The rag-tag band of rebels, with more than a little help from some friends, defeated the strongest military nation in the World at the time, and the great experiment in freedom and democracy began.
Also on this date, in 1939, Britain and France officially declared war on Germany for Germany's invasion of Poland. As many as 70 million people would die over the next 6 years as the World was plunged into the greatest chaos of death and destruction in history. The Second War to End All Wars would end in 1945 with the total military defeat of Germany, and with two atomic bombs being dropped on Japan.