The biblical archaeologists claim that this section is one of the Gates of the temple alleged to the name of their prophet Khalda mentioned in their book the Book of Kings and this false claim to them was not supported by any historical facts or Archaeologists, in their confusion over the name, the Jewish archaeologist Meir Ben Dov claims that the name may be took the mole animal that digs under the ground and comes out of another area that is so homogeneous on the Gate that runs its passage under the Al-Aqsa Mosque access the yards.
Fatimid period
A soldier tower was built on the western entrance of the Gate as a front line of defense (mostly in the Fatimid period prepared for the invasion of the Franciscan) The eastern Gate was outside the tower is seen today from the remnant area of Umayyad palaces.
Crusader Time
The Crusaders used the tower and added it.
Al-Ayyubi time
Salah al-Din turned it after liberation to a corner waqf by Jalal al-Din al-Shashi.
The Mameluke Period
This corner of the Mameluke period was known as the Corner of al-KHettani, in relation to Sheikh Shams al-Din al-KHettani Where he lived.
Present
The Corner today occupies the library of the mosque (the library of Khutaniyah).
Building the tower on the Gate did not prevent entry and exit from the south side of the mosque across the gate small in the corner was mentioned Ibn Fadlullah al-Omari 746 AH in his visit to the corner (he called Khanka Validity).
The gate remained open until the scary on corner from the Israeli occupation so the Gate closed.