However, they disagreed on matters of theology and, upon his return to Europe, his comments about this caused Saint Jerome to write one of his most outspoken polemics, Contra Vigilantium.

To the north east of the town, there was another gate with an iron portcullis, set below directly below the castle.

Shortly after the French Revolution, the Prince of Berghes married the daughter of the new owner and decided to make the Chateau de Saint-Martory their summer residence.

Architect Ruprich Robert was hired to modernize the building and turned it into a major example of Gothic Revival.

In 1866 Napoleon III ordered the construction of the Saint Martory canal, starting in the town and ending in Toulouse, to provide agricultural irrigation on the west side of the wide Garonne valley.