Titianus
summoned to take nominal command.
Tacitus
10. Galba adopts Piso Licinianus as his successor.
15. Otho declared Emperor in Rome and recognized by Praetorian
Guard.
Murder of Galba, Vinius, and Piso.
Otho recognized by the Senate.
_February_
The Vitellian armies are now marching on Italy: Caecina through
Switzerland and over the Great St. Bernard with Legio XXI Rapax
and detachments of IV Macedonica and XXII Primigenia: Valens
through Gaul and over Mount Genèvre with Legio V Alaudae and
detachments of I Italica, XV Primigenia, and XVI.
_March_
Caecina crosses the Alps.
Otho dispatches an advance-guard under Annius Gallus and Spurinna.
Otho starts for the Po with Suetonius Paulinus, Marius Celsus,
and Proculus.
Titianus left in charge of Rome.
Otho sends fleet to Narbonese Gaul, and orders Illyric
Legions[3] to concentrate at Aquileia.
Spurinna repulses Caecina from Placentia.
Otho's main army joins Gallus at Bedriacum.
Titianus summoned to take nominal command.
_April_
6. Battle of Locus Castorum. Caecina defeated.
Valens joins Caecina at Cremona.
15. Battle of Bedriacum. Othonian defeat.
17. Otho commits suicide at Brixellum.
19. Vitellius recognized by the Senate.
_May_
Vitellius greeted by his own and Otho's generals at Lyons.
24. Vitellius visits the battle-field of Bedriacum.
_June_
Vitellius moves slowly towards Rome with a huge retinue.
