We can show some first results from our recently started project on sailors aboard Dutch merchant marine ships in the 19th and 20th centuries. Researcher Daniël Tuik has been working on a sample of personnel records from the archives of the Koninklijke Nederlandse Stoomboot-Maatschappij (KNSM), a shipping company that was based in Amsterdam. He tells more about his work in another blog post. The map on the right in Jelle’s tweet shows the birthplaces of KNSM crew members in the 20th century, mainly sailing on trans-Atlantic routes, while the one on the left shows where the sailors came from who appear in the Prize Paper dataset, which also mainly contains…