Napoleon's Europe

In this timeline Napoleon Bonaparte manages to conquer most of mainland Europe, he decides not to attack Russia after getting a marriage with Grand Duchess Anna, sister of Tsar Alexander I. Napoleon gets peace with Britain by the Summer of 1814, war continues with Austria until Christmas 1816 where finally a treaty is signed. With the help of the French and Russian Empire's, Denmark-Norway unifies Scandinavia during the Unity warsof 1823-1830. France continues to expand it's colonies in Africa during the 19th Century, Britain is forced to cede Ireland to France at the end of the Franco-British War in 1873. World War One and World War Two would still happen, but most of the monarchy's would survive to present day.