Gesta Hungarorum, or The Deeds of the Hungarians, is the first extant Hungarian book about history. Its genre is not chronicle, but gesta, meaning "deeds" or "acts", which is a medieval entertaining literature. It was written by an unidentified author who has traditionally been called Anonymus in scholarly works. According to most historians, the work was completed between around 1200 and 1230. The Gesta exists in a sole manuscript from the second part of the 13th century, which was for centuries held in Vienna. It is part of the collection of Széchényi National Library in Budapest.