In the
battle of Philippi in 42 BC, in which Augustus and
Mark Antony worked together and avenged Caesar's death, defeating the forces of
Brutus and
Cassius, Augustus vowed to build the
Temple of Mars Ultor ("
Mars the Avenger"). The incomplete forum was inaugurated, after 40 years of construction, in 2 BC, adding the second monumental square, the
Forum of Augustus. This new complex lies at right angles to the Forum of Caesar. The temple consists of a very tall wall, and this still distinguishes itself from the popular neighbourhood of
Suburra. This high wall served as a firebreak, protecting the Forum area from the frequent conflagrations from which Rome suffered. The rectangular square has long deep
porticos with a surface that widens into large semicircular
exedras. Recently one more slightly smaller exedra was found south on the wall bordering the
Forum of Trajan, meaning that for the sake of symmetry there must have been other exedra demolished to make room for the forum of Nerva, rising the number to four and not two exedras. This completely changed the layout for the south part of the Forum of Augustus, meaning that it is much more similar to the Forum of Trajan and a new theory for this southern part of the forum suggests that in fact there was a basilica between the two new exedras (like in the Forum of Trajan). This supports the numerous ancient authors that tell us the forum was used as a court of law. The entire decoration of the Forum was tightly connected to the ideology of Augustus. According to myth, Rome herself was born from the god Mars through
Romulus. This forum was occupied by . . . ==Temple of Peace==