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The Grand Council of the Allied Masonic Degrees was formed in 1879 to bring under its directions a number of Orders that recognized no central authority. By 1931, two of the degrees (Holy Royal Arch Knight Templar Priests and one degree of the Secret Monitor) were no longer administered by the Grand Council, leaving the five current ceremonies:

• St. Lawrence the Martyr
• Knights of Constantinople
• Grand Tilers of Solomon
• Red Cross of Babylon
• Grand High Priest

• St. Lawrence the Martyr
The ceremony commemorates the martyrdom of the Saint in Rome in the middle of the third century and teaches the lessons of fortitude and humility. This is also the ‘administrative’ degree. In it, all business of the Council is conducted, candidates are received and the Worshipful Master is installed.

• Knights of Constantinople
This is a real ‘side’ Degree, in the sense that many years ago it was customary for one Brother to confer it on another, he would, for example, take him aside at the end of a Lodge meeting, administer a simple obligation and entrust him with the secrets.
The scene of the Ceremony is the courtyard of the palace of Emperor Constantine the Great in Constantinople during the fourth century AD. The Degree inculcates the useful lessons of humility and universal equality.

• Grand Tilers of Solomon
This Degree is a legend similar to that of the Cryptic Degree of a Secret Master but with interesting variations, in particular with respect to the period of the occurrences. It relates the story of the accidental intrusion of a craftsman into the secret vault of King Solomon. The Degree warns of the great danger of carelessness and of hasty judgment and teaches the importance of careful tiling.

• Red Cross of Babylon
This Degree is of considerable antiquity, being closely associated with the Royal Arch and the rebuilding of the second Temple in Jerusalem with the candidate bearing the name of Zerubbabel. The legend begins in the days of Cyrus, King of Persia, continues through to the time of Darius and incorporates an outstanding feature of crossing a bridge over a river that has particular significance.
The degree teaches us to keep inviolate our Masonic secrets and to withstand all temptations to reveal them, however profitable those temptations may be. It emphasizes the importance of Fidelity, Integrity, and Truth.

• Grand High Priest
The Degree is founded on the blessing of Abraham and the consecration of Aaron and the candidate is admitted by the President (who represents the King of Salem) and is set apart with due ceremonial to the Holy Office of Grand High Priest in a most beautiful and uplifting enactment. It is usual that this Degree is only performed in any Council once every year.

Please see the below, videos regarding the Allied Masonic Degrees

https://www.youtube.com/watch?v=76RbkkXOiGE

The Candidate must be a Master Mason who has been advanced as a Mark Master Mason and exalted as a Royal Arch Mason.

The Regalia of the Order comprises five miniature breast jewels representing the five different Degrees. Alternatively, a member may wear a ribbon. Past Masters wear a single Jewel suspended from a thistle green collarette.