Frederick II "the Great" of Prussia
Prussia / France / Bavaria

Frederick II "the Great" of Prussia

King of Prussia

Born: January 24, 1712 · Berlin, Kingdom of Prussia
Died: August 17, 1786 · Potsdam, Kingdom of Prussia
Education: Private tutors; forced military education by his brutal father Frederick William I
Pre-war: Crown Prince; flautist and philosopher; attempted to flee Prussia with his friend Katte (who was executed)
"A crown is merely a hat that lets the rain in."

Biography

The 28-year-old Frederick seized Silesia within weeks of Emperor Charles VI's death — an act of naked opportunism he later described as following ambition, youthfulness, and a desire to make my name. His tactical genius developed across Mollwitz, Chotusitz, Hohenfriedberg, and Soor, transforming early embarrassments into a military legend. The war made Prussia a great power, and Frederick its defining monarch. He ruled for another 46 years, becoming the model of the enlightened despot — a philosopher king who corresponded with Voltaire while drilling his infantry to a mechanical perfection no other army could match.

Did you know?

Frederick played the flute with genuine virtuosity and composed over 100 sonatas; he corresponded with Voltaire and considered himself a French philosophe first and a Prussian king second

Key Battles

Battle of Mollwitz

Prussia / France / Bavaria victory

April 10, 1741 · 9,000 total casualties

Mollwitz proved the Prussian infantry's drill and discipline could win battles even when cavalry collapsed. It also revealed Frederick's early weakness as a tactician, a lesson he absorbed and never forgot. The victory kept the Silesian campaign alive.

Battle of Chotusitz

Prussia / France / Bavaria victory

May 17, 1742 · 12,000 total casualties

Chotusitz forced Austria to sign the Treaty of Breslau, ceding Silesia — one of the wealthiest Habsburg provinces — to Prussia. It ended the First Silesian War and established Frederick as a serious commander.

Battle of Hohenfriedberg

Prussia / France / Bavaria victory

June 4, 1745 · 15,000 total casualties

Hohenfriedberg is widely considered Frederick's masterpiece of offensive surprise. Executed flawlessly before the enemy could react, it demonstrated the decisive potential of speed, discipline, and night marching that would define Frederician warfare. Austria lost 9,000 prisoners alone.

Battle of Soor

Prussia / France / Bavaria victory

September 30, 1745 · 10,000 total casualties

Soor demonstrated that Frederick could win even when surprised — a personal reputation milestone as important as any tactical lesson. His ability to read a collapsing situation and improvise was on full display. Combined with Hohenfriedberg, it ended any Austrian hope of retaking Silesia by force.

Battle of Kesselsdorf

Prussia / France / Bavaria victory

December 15, 1745 · 11,000 total casualties

Kesselsdorf effectively ended the Second Silesian War. Dresden's capture forced Austria and Saxony to the negotiating table, producing the Treaty of Dresden that confirmed Silesia as Prussian territory and ended Prussian participation in the wider war.

Life Journey

Timeline

January 24, 1712

🌅 Birth

Born in Berlin, eldest surviving son of Frederick William I

1730

📍 Posting

Attempted to flee to England; arrested; forced to watch his friend Hans Hermann von Katte beheaded

1736–1740

📚 Education

Crown Prince at Rheinsberg Palace; writes Anti-Machiavel, courts Voltaire

May 31, 1740

📍 Posting

Becomes King of Prussia on death of Frederick William I

April 10, 1741

⚔️ Battle

Battle of Mollwitz — his first battle; infantry wins despite Frederick's flight

June 4, 1745

⚔️ Battle

Battle of Hohenfriedberg — pre-dawn masterpiece, his finest tactical hour

August 17, 1786

✝️ Death

Dies at Sanssouci Palace, Potsdam, after 46 years on the throne