1) Lucius Septimius Severus was a Roman emperor who rose to power with military support. He instituted major military and administrative reforms, increasing the size of the legions and favoring soldiers of provincial origin.
2) To fund his large military expenditures, he debased the currency by reducing the precious metal content of coins. This led to inflation.
3) He undertook two successful campaigns against the Parthian Empire, expanding Roman territories in the east. He left legions stationed near Rome for further defense.