Note 032
The new wall of Theodosius was constructed in the year
413. In 447 it was thrown down by an earthquake, and rebuilt
in three months by the diligence of the praefect Cyrus. The
suburb of the Blachernae was first taken into the city in
the reign of Heraclius. Ducange, Const. l. i. c. 10, 1 l .
Note to Chapter 17 of Decline and Fall by Gibbon