June 26, 1875: a Royal decree was issued authorizing the preparation of a general plan for a railroad in Luzon

On June 26, 1875, a Royal decree was issued by the King of Spain authorizing the preparation of a general plan for a railroad in the island of Luzon. The Inspector of Public Works was then instructed to form the plan of the railway system with Eduardo Lopez Navarro undertaking the task on November 11 of the same year.