On Thursday, May 7, an official ceremony marking the the 100th Anniversary of the Armenian Genocide was held in the Washington National Cathedral.

The memorial ceremony was led by the Supreme Patriarch and Catholicos of all Armenians, Garegin II; the Catholicos of the Great House of Cilicia, Aram I and the Patriarch of Antioch and all the East, Ephrem II (Syrian orthodox Church).

Attending the ceremony was the head of the Greek Orthodox Archdiocese in America, His Eminence Archbishop Demetrios; the head of the Antiochian Orthodox Archdiocese in America, His Eminence Metropolitan Joseph; the head of the Orthodox Church in America, His Beatitude Metropolitan Tikhon and the head of the Ukrainian Orthodox Church in America (Ecumenical Patriarchate), His Eminence Metropolitan Antony. Representing the Russian Orthodox Church was His Grace Bishop John of Naro-Fominsk, Administrator of the Patriarchal Parishes in the USA. The ceremony was also drew a number of other religious leaders from various denominations across the United States.

The ceremony was opened by a speech by Armenian President, Serzh Sargsyan. The Vice-President of the United States, Joe Biden and the US Ambassador to the UN, Samantha Power were also in attendance. 

The ceremony was closed with remarks from the Patriarch and Catholicos, Garegin, who thanked the people of the United States who graciously welcomed the thousands of Armenian refugees during the extremely turbulent times in Armenian history.