Short answers, pulled from the story.
Valerius Licinianus Licinius emerged from a Dacian peasant family in Moesia Superior around the year 265. His early life remained obscure until he joined his childhood friend Galerius on a military expedition to Persia in 298.
Galerius elevated Licinius to Augustus in the West on the 11th of November 308. He commanded the Balkan provinces of Illyricum, Thrace and Pannonia following this elevation.
The two armies clashed at the Battle of Tzirallum on the 30th of April 313. Daza's forces were crushed completely and he escaped disguised as a slave before dying in August 313.
Lactantius recorded the redaction of the Edict of Milan as affixed by Licinius in Nicomedia on the 14th of June 313. The document reissued Galerius's previous edict allowing Christianity to be professed throughout the Empire.
Constantine defeated them at the Battle of Adrianople on the 3rd of July 324. A last stand occurred at the Battle of Chrysopolis near Chalcedon on the 18th of September resulting in Licinius's final submission.
He was apprehended at Thessalonica while attempting to flee to the Goths. Constantine had him hanged on orders accusing him of conspiring to raise troops among barbarians.