527 – Justinian I becomes the sole ruler of the Byzantine Empire.
1137 – Louis VII succeeds to the throne of France.
1714 – Georg Ludwig, Elector of Hanover, becomes King George I of Great Britain.
1800 – The Acts of Union 1800 is passed in which merges the Kingdom of Great Britain and the Kingdom of Ireland into the United Kingdom of Great Britain and Ireland.
1914 – Germany declares war on Russia at the opening of World War I. The Swiss Army mobilizes because of World War I.
1713 – Charles I, Duke of Brunswick-Wolfenbüttel (d. 1780)
1137 – King Louis VI of France (b. 1081)
1714 – Anne, Queen of Great Britain (b. 1665)