Also known as Lectis Magna or Lepcis magna, Leptis Magna was founded around 1000 BC. It became a Roman free city after the Third Punic War and remained such until Tiberius (Emperor 14 AD -37 AD) incorporated it into the Roman Province of Africa.
From Schoder's lecture notes:
LEPTIS MAGNA: (Lepsics) ; Phoenician col. fr. Sidon, VIII c., later Gk. Neapolis. Ally of Rome vs. Jugurtha, civitae under Augustus, col. of Trajan.
b. Septimius Severus.
Air: Market: central stall (circular)
Market stalls: dolphins
XNew Forum int., by Septimus Severus c. 195 [note: marked with an X which indicated that sometimes this slide was omitted.]
New Forum decorative frieze
XTemple to Dis Augustis, in front of Theater, by Consul Q. Marcius Barea [see note above]
Theater: c. 100 - for 5000