Ruler of Montenegro from 1860 to 1918, known for modernizing and expanding his country, while also playing a key role in the Balkan Wars.
Born in 1854
First king of Serbia, unifying the country and establishing its independence from the Ottoman Empire. He's remembered for his military campaigns and diplomatic efforts to secure Serbia's sovereignty.
Born in 1844
The first king of modern Serbia, he led the country to independence from Ottoman rule and established a constitutional monarchy, earning him a revered place in Serbian history.
Born in 1876
King of Serbia from 1889 to 1903, known for his efforts to modernize and strengthen the Serbian state, and his mysterious assassination in 1903.
Born in 1923
The last king of Yugoslavia, ruling from 1934 to 1945, known for his attempts to maintain Yugoslav unity and resist Axis powers during World War II.