 In 1872 the new republican government reissued the invitations and in 1875 scientists from thirty European and American countries met in Paris.This same year, the International Association of Geodesy held its General Conference in Paris and decided the creation of an international geodetic standard for baselines' measurement calibrated against the metre.The principal tasks facing the delegates at the 1875 conference was the replacement of the existing metre and kilogram artefacts that were held by the French Government and the setting up of an organization to administer the maintenance of standards around the globe.