Frederick Augustus I of Saxony vs Mwambutsa IV

Frederick Augustus I allied Saxony with Napoleon, contributing troops to the French campaigns. Saxon forces fought in the Battle of Jena-Auerstedt (1806) and later in the invasion of Russia (1812), suffering heavy losses.

Frederick Augustus I was elevated from Elector to King of Saxony by Napoleon Bonaparte after the dissolution of the Holy Roman Empire. He became a key ally of Napoleon, joining the Confederation of the Rhine.

Frederick Augustus I remained loyal to Napoleon during the Battle of Leipzig (1813), where Saxon troops initially fought for the French but later defected to the Allies. After the battle, he was captured by the Allies and Saxony was occupied.

At the Congress of Vienna, Frederick Augustus I was forced to cede over half of Saxony's territory to Prussia, including the province of Saxony. He retained the title of King but ruled a significantly reduced state.

Mwambutsa IV was the reigning mwami when Burundi gained independence from Belgian colonial rule on July 1, 1962. He became the constitutional monarch of the newly independent Kingdom of Burundi, with a government led by a prime minister under a parliamentary system.

Mwambutsa IV attempted to balance power between Hutu and Tutsi political factions in the post-independence government. He appointed both Hutu and Tutsi prime ministers, but ethnic violence erupted in 1965 after a failed Hutu coup attempt, leading to reprisals and deepening divisions.

Following a military coup led by Tutsi officers, Mwambutsa IV was deposed and fled into exile in Switzerland. The coup abolished the monarchy and established a republic, ending the Ganwa dynasty's rule. Mwambutsa IV never returned to Burundi, dying in exile in 1977.