emperor, and nothing is known of her role as empress and her political influence. The only reliable evidence in regards to Severina at all is a scant number of inscriptions and coins, which confirms that she was Aurelian's wife and that she held the title of . Only two known coins omit the title , instead styling her as . These were probably minted before she was made . In full, the coins title her as ("lady Ulpia Severina Augusta, mother of the camp, the senate and the fatherland"). Some inscriptions also style her as (pious ). Severina also appears to have been deified, as some coins style her as . No coins styling Severina as can be dated before 274 and it is possible that she was not made until the autumn of that year, perhaps around 29 August, coinciding with Aurelian's triumph celebrating the defeats and reincorporations of the Palmyrene and Gallic empires. After the autumn of 274, coins commemorating Severina were issued together with those commemorating Aurelian; some coins included the profiles of both. On the coins, Severina is depicted in a typical way for her time, with braided hair drawn up over the back of her head and an austere expression. Typically, her coins include the goddess Concordia, though some instead feature the goddesses Venus and Juno, the standard deities for empresses. Severina survived beyond Aurelian's murder in 275 and the date of her death is unknown. Aurelian and Severina had a daughter together, though her name is unknown. Dowager empress Interregnum Aurelian died in September or October 275, murdered by his own officers after his secretary, afraid of being punished for a small lie, convinced them that the emperor intended to put them to death. Aurelian's successor, Tacitus, was proclaimed emperor in November or December. Historically, many scholars, including Edward Gibbon, assumed that the "interregnum" between Aurelian and Tacitus was significantly longer given that both the and the 4th-century writings of Aurelius Victor state that the interval between Aurelian's death and Tacitus's rise to power lasted six months. According to their accounts, this period consisted of the army in Thrace, worried as they were complicit in Aurelian's murder, and the Roman Senate repeatedly petitioning each other to elect a successor. This account is overwhelmingly dismissed today as not being credible as the dates given by the and Victor only fit if Aurelian died early in