The Forum of Constantine (; ) was built at the foundation of
Constantinople
Constantinople (#Names of Constantinople, see other names) was a historical city located on the Bosporus that served as the capital of the Roman Empire, Roman, Byzantine Empire, Byzantine, Latin Empire, Latin, and Ottoman Empire, Ottoman empire ...
immediately outside the
old city walls of
Byzantium
Byzantium () or Byzantion () was an ancient Greek city in classical antiquity that became known as Constantinople in late antiquity and Istanbul today. The Greek name ''Byzantion'' and its Latinization ''Byzantium'' continued to be used as a n ...
. It marked the centre of the new city, and was a central point along the
Mese, the main ceremonial road through the city.
It was circular and had two monumental gates to the east and west. The
Column of Constantine, which still stands upright and is known today in Turkish as ''Çemberlitaş'', was erected in the centre of the square.
The column was originally crowned with a statue of
Constantine I
Constantine I (27 February 27222 May 337), also known as Constantine the Great, was a Roman emperor from AD 306 to 337 and the first Roman emperor to convert to Christianity. He played a Constantine the Great and Christianity, pivotal ro ...
(3. 306-337) as
Apollo
Apollo is one of the Twelve Olympians, Olympian deities in Ancient Greek religion, ancient Greek and Ancient Roman religion, Roman religion and Greek mythology, Greek and Roman mythology. Apollo has been recognized as a god of archery, mu ...
,
but a strong gale in 1150 caused the statue and three of the column's upper drums to fall, and a cross was added in its place by the
Byzantine
The Byzantine Empire, also known as the Eastern Roman Empire, was the continuation of the Roman Empire centred on Constantinople during late antiquity and the Middle Ages. Having survived the events that caused the fall of the Western Roman E ...
emperor
Manuel I Komnenos
Manuel I Komnenos (; 28 November 1118 – 24 September 1180), Latinized as Comnenus, also called Porphyrogenitus (; " born in the purple"), was a Byzantine emperor of the 12th century who reigned over a crucial turning point in the history o ...
(r. 1143-1180). Otherwise the forum remained nearly intact until the
Fourth Crusade
The Fourth Crusade (1202–1204) was a Latin Christian armed expedition called by Pope Innocent III. The stated intent of the expedition was to recapture the Muslim-controlled city of Jerusalem, by first defeating the powerful Egyptian Ayyubid S ...
in 1203–1204. The city's first Senate House lay on the north side of it. It is known from the sources that the square was decorated with a number of antique statues, but it is impossible to determine their exact appearance and location.

The Forum suffered major damage in a fire started by soldiers of the Fourth Crusade in 1203. After the
Sack of 1204, the antique statues decorating the Forum were melted down by the Crusaders.
See also
*
Roman Forum
A forum (Latin: ''forum'', "public place outdoors", : ''fora''; English : either ''fora'' or ''forums'') was a public square in a municipium, or any civitas, of Ancient Rome reserved primarily for the vending of goods; i.e., a marketplace, alon ...
*
Imperial fora
*
Forum of Arcadius
*
Forum of Theodosius
The Forum of Theodosius (, today Beyazıt Square) was probably the largest square in Constantinople and stood on the Mese, the major road that ran west from Hagia Sophia ( Turkish: Ayasofya). It was originally built by Constantine I and named t ...
*
Augustaion
References
Byzantium 1200 , Forum of Constantine
Fora of Constantinople
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