Lieuwe (Leo) van Aitzema (November 19, 1600 - February 23, 1669) was a Dutch historian, diplomat, bon-vivant, philanderer and spy. Events 1095 - The Council of Clermont, called by Pope Urban II to discuss sending the First Crusade to the Holy Land Events 1455 - Traditional date for the publication of the Gutenberg Bible, the first Western Book printed from Movable The Netherlands ( Dutch:, ˈnedərlɑnt is the European part of the Kingdom of the Netherlands, which consists of the Netherlands the Netherlands See also History An historian is an individual who studies and writes about History, and is regarded as an Authority on it 
He was born at Dokkum, in Friesland. Dokkum is a Dutch Fortified town in the municipality of Dongeradeel in the province of Friesland. Friesland ( West Frisian: Fryslân, Dutch Friesland) is a province in the north of the Netherlands and part of the bigger region known In 1617 he published a volume of Latin poems under the title of Poemata Juvenilia, of which a copy is preserved in the British Museum. Latin ( lingua Latīna, laˈtiːna is an Italic language, historically spoken in Latium and Ancient Rome. The British Museum is a Museum of human history and culture in London. He made a special study of politics and political science and was for thirty years resident for the towns of the Hanseatic League at the Hague, where he died on February 23, 1669. Politics Politics is the process by which groups of people make decisions Political science is a branch of Social sciences that deals with the theory and practice of Politics and the description and analysis of Political systems The Hanseatic League (also known as the Hansa) was an alliance of trading cities and their Guilds that established and maintained trade Events 1455 - Traditional date for the publication of the Gutenberg Bible, the first Western Book printed from Movable
His most important work was the Saken van Staet in Oorlogh in ende omtrent de Vereenigte Nederlanden (14 vols. 4to, 1655-1671), embracing the period from 1621 to 1668. It contains a large number of state documents, and is an invaluable authority on one of the most eventful periods of Dutch history.
Four continuations of the history, by the poet and historian Lambert van den Bos, were published successively at Amsterdam in 1685, 1688, 1698 and 1699. The Derde Vervolg Zinde het vierde Stuck van het vervolgh op de historie, &c. , , brings the history down to 1697.