The San Francisco Conference [25 April - 26 June 1945]

Delegates of fifty nations met at San Francisco between April 25 and June 26, 1945. Working on the Dumbarton Oaks proposals, the Yalta Agreement, and amendments proposed by various Governments, the Conference agreed upon the Charter of the United Nations and the Statute of the New International Court of Justice. The Charter was passed unanimously and signed by all the representatives. It came into force on October 24, 1945

Ato Ambai Wold-Mariam, Vice Minister of Justice, and Bitwodded Makonnen Endalkachau, Prime Minister, and members of the delegation from Ethiopia in their office at the Hotel St. Francis.
Bitwodded Makonnen Endalkachau, (center), Prime Minister and Chairman of the Delegation from Ethiopia, with Wold Mariam and Ato Ambai of his Delegation.
[no exact date]