I am not sure what you are saying. 16 July 1054, three months after Pope Leo's death in April 1054 and nine months before the next pope took office, they laid on the altar of Hagia Sophia, which was prepared for celebration of the Divine Liturgy, a bull of excommunication of Michael Cerularius 1 and his supporters. In a very real sense that is an event. Four days later to compliment was returned.
There were a series of events that led to that, marked no doubt by the inclusion of the Filioque in Rome under Benedict VIII at the behest of the new HRE. No doubt there is a trail of destruction that leads to the events of July 1054, and a trail of destruction that leads from it.
Humbert may have been acting in excess of his authority, acting in the name of a dead Pope.
"3. One cannot pretend that these events were not what they were during this very troubled period of history. Today, however, they have been judged more fairly and serenely. Thus it is important to recognize the excesses which accompanied them and later led to consequences which, insofar as we can judge, went much further than their authors had intended and foreseen. They had directed their censures against the persons concerned and not the Churches. These censures were not intended to break ecclesiastical communion between the Sees of Rome and Constantinople.
- Since they are certain that they express the common desire for justice and the unanimous sentiment of charity which moves the faithful, and since they recall the command of the Lord: "If you are offering your gift at the altar, and there remember that your brethren has something against you, leave your gift before the altar and go first be reconciled to your brother" (Matt. 5:23-24), Pope Paul VI and Patriarch Athenagoras I with his synod, in common agreement, declare that:
A. They regret the offensive words, the reproaches without foundation, and the reprehensible gestures which, on both sides, have marked or accompanied the sad events of this period.
B. They likewise regret and remove both from memory and from the midst of the Church the sentences of excommunication which followed these events, the memory of which has influenced actions up to our day and has hindered closer relations in charity; and they commit these excommunications to oblivion.
C. Finally, they deplore the preceding and later vexing events which, under the influence of various factors—among which, lack of understanding and mutual trust—eventually led to the effective rupture of ecclesiastical communion.
- Pope Paul VI and Patriarch Athenagoras I with his synod realize that this gesture of justice and mutual pardon is not sufficient to end both old and more recent differences between the Roman Catholic Church and the Orthodox Church.
Through the action of the Holy Spirit those differences will be overcome through cleansing of hearts, through regret for historical wrongs, and through an efficacious determination to arrive at a common understanding and expression of the faith of the Apostles and its demands.
They hope, nevertheless, that this act will be pleasing to God, who is prompt to pardon us when we pardon each other. They hope that the whole Christian world, especially the entire Roman Catholic Church and the Orthodox Church will appreciate this gesture as an expression of a sincere desire shared in common for reconciliation, and as an invitation to follow out in a spirit of trust, esteem and mutual charity the dialogue which, with Gods help, will lead to living together again, for the greater good of souls and the coming of the kingdom of God, in that full communion of faith, fraternal accord and sacramental life which existed among them during the first thousand years of the life of the Church.
from the joint statement issued.
The point needs not be be forgotten, that excommunication refers to persons, and schism refers to groups/churches. The lifting of the excommunications did not end the schism. It hopefully marks a step along the way to the recovery of the unity that the Creed of the Council of Constantinople points us all to.