By Diane Montagna. LifeSiteNews - In the latest sign of the importance Pope Francis attributes to his contentious Abu Dhabi interreligious initiative, he has now united with the Grand Imam of al-Azhar Mosque in Egypt, Ahmed el-Tayeb, in petitioning the United Nations to declare February 4 the annual World Day of Human Fraternity, the Vatican has announced… February 4 is the anniversary of Pope Francis’s controversial joint declaration with the Sunni Grand Imam, seen by its critics as promoting religious indifferentism… the Pope also invited the UN to organize, together with the Holy See and Al-Azhar University in Cairo, a World Summit on Fraternity, to be held in the near future.