Morocco addressed, on Monday, the Secretary-General of the United Nations, Ban Ki-moon, on all the constituents of the Sahara issue, said a press release of the Ministry of Foreign Affairs and Cooperation.

Secretary General of the United Nations, Ban Ki-moon "appreciates the work done by his personal envoy," Peter van Walsum, whose mandate expired on August 21, a spokesman for the U.N. chief said on Thursday.

The Moroccan people celebrate on Wednesday, the 55-th anniversary of King and people's Revolution Day, an event reflecting the mobilization of the entire people behind the King in the struggle for freedom and independence.

The date of 14 August 1979 will remain forever engraved as a memorable step in the process of completion of the Kingdom’s territorial integrity. On this day, Moroccans have witnessed, with pride and great satisfaction, the return to motherland of the Oued Eddahab province.

The United States has shown "unequivocal support" for the UN Secretary-General's Personal Envoy for the Sahara, Peter van Walsum, deeming "impartial" and "realistic" his efforts to settle the Sahara issue, said a U.S. diplomatic source quoted Tuesday by the Moroccan daily "Aujourd'hui le Maroc".