The ceremony initially should have taken place on 13 December but it had to be postponed because of the (in the end unsuccessful) coup d'état of King Constantine II, who had been forced from his throne eight months before, against the dictatorial military regime of Georgios Papadopoulos.
Die Zeremonie hätte ursprünglich am 13. Dezember stattfinden sollen, musste aber wegen des (letztlich erfolglosen) Staatsstreichs des acht Monate zuvor entmachteten Königs Konstantin II. gegen das diktatorische Militärregime von Georgios Papadopoulos verschoben werden.