'Navypedia Fighting ships of World War One' series contains reference information about almost all fighting ships and boats of the world, served, built or ordered in days of the First World War. Articles contain information about designing, building and service of all ships and their technical data and modernization. Texts are accompanied by many drawings.
Articles about the navies are arranged in alphabetical order depending on the common name of the country. The first part contains information about the navies of Peru, Portugal, Romania, Russia, Sarawak, Siam, Spain, Sweden, Turkey, United Kingdom and Commonwealth, United States of America, Uruguay, Venezuela, Yugoslavia.