Marcus Otho was Roman emperor for three months, from 15 January to 16 April 69. He was the second emperor of the Year of the Four Emperors.

What is Otho known?

Otho organized a conspiracy among the Praetorian Guard, who murdered Galba in the Roman Forum. Otho was acclaimed emperor (January 15). Before Galba's death, however, the legions in Germany had declared for Aulus Vitellius, whose troops were already moving toward Italy.

Who was emperor after Otho?

After Galba and Otho perished in quick succession, Vitellius became emperor in April 69. The Roman legions of Roman Egypt and Judaea reacted by declaring Vespasian, their commander, the emperor on 1 July 69.