German Passport History 19th Century Controls and Regulations by PASSPORT HISTORY (Facts & Stories) published on 2025-03-23T09:41:02Z From Recommendation to Regulation In the early days, passports in German territories were not the rigid documents of control they would later become. Instead, they functioned as letters of recommendation—tokens of trust that facilitated a traveler’s passage based on the prestige and influence of the issuer. Genre Storytelling