270 BCE
Aurelian marries Ulpia Severina.
275 CE
November
November
Aurelian prepares for a major campaign against the Sassanid Empire in the East. However, during preparations, he is assassinated by members of his own staff, misled by a false rumor that he intended to execute them. His wife, Severina, may briefly control the Roman Empire.
275 CE
November
November
Tacitus is declared Emperor. Severina is no longer in control of the Roman Empire, if she was.