Preview. HistoryOrigins of the CharterCharter of the UNPurposes of the UNPrinciples of the UNStructure of the UN. First International Organizations. 1865 The International Telecommunication Union1874 International Telegraph Union; Universal Postal Union. First International Peace Conference. 1899 1st International Peace Conference (The Hague): 1) the Convention for the Pacific Settlement of International Disputes and 2) the Permanent Court of Arbitration (1902) .