Friedrich Wilhelm IV

Friedrich Wilhelm IV was the King of Prussia and the eldest child of Friedrich Wilhelm III. In 1848 an uprising threatened his rule but his brother Wilhelm (later Wilhelm I} successfully crushed. Sadly, in 1857 Friedrich Wilhelm IV fell to a stroke that left him permanently mentally disabled. In January of 1858, Wilhelm became the Prince Regent to rule in the stead of his now ailing brother. Three years later, on January 2, 1861 Friedrich Wilhelm died.

Preceded by: Friedrich Wilhelm III King of Prussia

King of Prussia 1840-1861

Succeeded by: Wilhelm I