Was married to Tullia who was the daughter of Servius Tullius and convinced him to dethrone Servius.
Made Rome the head of the Latin League.
Finished or built the Temple of Iupiter Capitolinus or Iupiter Optimus Maximus which became the religious focal point.
Tarquinius Superbus went to the senate claiming that Servius was just a slave and physically threw the elderly king out of the Curia. Servius was killed in the streets.