In 1806, as part of his wholescale re-ordering of the map of Europe, Emperor Napoléon I of the French upgraded the independent German duchy of Bavaria to full kingdom status.
However, there was no coronation ceremony, and the king never wore the crown in public.
[1] Included in the regalia were: The Palatinate Pearl is also kept with the crown jewels, however it is not officially part of the collection.
As a result of the First World War, the German monarchies were abolished in 1918 and since then, Bavaria has not had a monarch.
The Bavarian Crown Jewels are currently on display in the Treasury of the Residenz palace in Munich.