George I of Greece

Biography

George I was King of Greece from 1863 to 1913, serving for nearly 50 years, the longest reign in modern Greek history. Born Prince William of Denmark in Copenhagen on December 24, 1845, he was the second son of Prince Christian of Schleswig-Holstein-Sonderburg-Glücksburg, who later became King Christian IX of Denmark. At 17, George was unexpectedly elected to the Greek throne by the National Assembly after King Otto was deposed, with support from the major European powers.

George's selection was part of broader European diplomatic moves. Britain, France, and Russia backed his nomination as a compromise candidate to stabilize Greece while maintaining the power balance in the Eastern Mediterranean. He became king on March 30, 1863, starting a new Greek dynasty. In 1867, he married Grand Duchess Olga Constantinovna, niece of Tsar Alexander II, strengthening ties with Russia.

His reign saw significant territorial expansion for Greece. The Ionian Islands were given to Greece by Britain in 1864 when he became king. After the Russo-Turkish War of 1877-1878, Greece gained Thessaly and parts of Epirus through the Congress of Berlin. However, Greece's ambitions took a hit in the Greco-Turkish War of 1897, when Ottoman forces defeated Greek armies in Thessaly, resulting in international intervention and minor territorial losses.

George's extensive family connections earned him the nickname "father-in-law of Europe" through his children's marriages into various royal families. During his reign, Greece gradually emerged as a regional power, highlighted by the First Balkan War of 1912-1913, when Greek forces captured large parts of Macedonia and Epirus. On March 18, 1913, while walking in Thessaloniki, which had recently been freed from Ottoman control, George was assassinated by Alexandros Schinas, a mentally unstable Greek man. His death came just months before Greece achieved significant territorial gains, and he was succeeded by his son Constantine I.