Alexander of Greece, also known as Alexander I, was born on July 1, 1893, and became King of Greece in 1917. He was the son of King Constantine I of Greece and Queen Sophia of Greece. His reign was marked by Greece's involvement in World War I and the subsequent territorial changes in the region. Alexander's rule ended abruptly when he died on April 25, 1920, due to an infection from a monkey bite. His death led to political instability in Greece, and he was succeeded by his father, Constantine I, who returned to the throne after a period of exile.