The Empire briefly fell with Napoleon's abdication at Fontainebleau on 11 April 1814. Napoleon recaptured the throne temporarily in 1815, reviving the Empire in what is known as the Hundred Days. However, he was defeated by the Seventh Coalition at the Battle of Waterloo. Napoleon's army was destroyed, and other countries saw this weakness in the empire an joined Great Britain to destroyed it and at the end the empire collapses. Louis XVIII came to throne. One of Napoleon's ridiculous mistakes was to invade Russia in 1812.