Alaric I (; 370 – 410) was the King of the Visigoths from 395–410. Alaric is most famous for his sack of Rome in 410, which marked a decisive event in the decline of the Roman Empire. Alaric's first appearance was as the leader of a mixed band of Goths and allied peoples who invaded Thrace in 391, who were stopped by the half-Vandal Roman General Stilicho. Later joining the Roman army, he began his career under the Gothic soldier Gainas. In 394 Alaric led a Gothic force of 20,000 that helped the Eastern Roman Emperor Theodosius defeat the Frankish usurper Arbogast at the Battle of Frigidus. Despite sacrificing around 10,000 of his men, Alaric received little recognition from the Emperor. Disappointed, he left the army and was elected reiks of the Visigoths in 395, and marched toward Consta