Long before biometric gates and automated border checks, the process of controlling movement could begin far away from today’s official border crossings. A ship captain might be required to present a health certificate. A merchant could carry a letter sealed by a ruler. Another traveler might need a witness who could confirm their identity.
So the phrase “before passports” does not describe a world without documents. Forms of passport-like papers existed for centuries. What did not yet exist was today’s standardized international system, where travelers carry state-issued booklets connected to nationality, identity and legal status.
A Royal Letter Could Open the Road
One of the earliest forms of travel documentation was the safe conduct: A letter issued in the name of a monarch or ruler. It requested that officials allow the bearer to pass without obstruction and, in some cases, provide assistance during the journey.
In Britain, safe conducts appeared in legislation during the reign of Henry V in 1414. The earliest surviving British passport dates from 1641 and carries the signature of Charles I. However, these documents were not modern evidence of citizenship. Britain did not limit passports exclusively to British nationals until 1858.
The authority of such documents came from their issuer. The message was not simply, “This person is who they claim to be.” It was also, “A powerful figure recognizes and protects this individual.”
Such protection could help diplomats, merchants and other travelers, but a document respected in one territory might have carried little authority elsewhere.
The Border Was Not Always the Edge of a Country
Today, borders are usually understood as clear lines separating states. In earlier periods, however, travelers often encountered controls in different places: At ports, railway stations, city entrances or the gates of imperial capitals.
City gates in the early modern period served purposes beyond defense. Authorities used them to regulate arrivals, monitor goods and control access to urban communities. In some cases, entering a city involved more scrutiny than crossing a distant political boundary.
During the 19th century, travelers within the Ottoman Empire could require a mürur tezkeresi, a passage permit often described as an internal passport. These documents helped authorities monitor movement, particularly toward Istanbul. Details such as a traveler’s origin, destination, purpose and identifying information could all be important.
Governments controlled mobility long before passport checkpoints became a normal feature of international borders.
Identity Came from Witnesses, Descriptions and Reputation
Without modern photography and digital identification systems, officials needed other ways to confirm that a document belonged to the person presenting it.
Authorities relied on seals, signatures, witnesses and physical descriptions.
US passport regulations issued in 1914 requested details including height, forehead, eyes, nose, mouth, chin, hair, complexion and facial characteristics. Applicants also needed a credible witness who could confirm their identity. In some cases, wives, minor children and certain servants could be included on a main traveler’s document rather than receiving separate passports.
Identity was partly a social matter. Officials wanted to know not only who someone claimed to be, but also who could support that claim.
Modern consumers may examine official databases, hotel ratings or trusted casino reviews before deciding which sources or services to trust. Earlier travelers relied on letters of introduction, personal reputation, and commercial or religious networks.
At Sea, Health Papers Could Matter More Than Identity Papers
For maritime travelers, the most important document was sometimes not about an individual at all. Instead, it concerned the health conditions of the ship’s departure point.
A bill of health recorded whether contagious diseases were known or suspected in the port where a vessel had originated. Authorities could use this information to classify a ship’s level of risk and decide whether passengers, crew members and cargo could enter.
Malta became known for its strict quarantine controls. Ships were expected to present acceptable health documents. Without them, passengers and sailors could be isolated while ships and cargo underwent disinfection procedures.
Today, entry decisions usually focus on individual travel documents. In a quarantine port, however, the freedom of everyone on board could depend on the recent history of a single vessel.
The Nineteenth Century Made Some Borders Easier
The history of travel controls did not develop in a simple direction toward ever-increasing restrictions. During parts of the 19th century, several European states reduced or removed routine passport requirements.
Before the First World War, many international travelers crossed borders without regularly presenting passports or visas.
The United States followed a similar pattern. Apart from temporary restrictions during the Civil War and First World War periods, American citizens generally were not required by their government to carry passports for foreign travel until 1941.
However, this did not create equal freedom of movement. Wealth, social class, gender, race, nationality and local laws continued to shape who could travel easily and who faced barriers. A wealthy traveler with connections experienced a very different reality from a laborer, refugee or member of a targeted minority group.
War Turned Travel into a Documentation System
The First World War changed the relationship between governments and travel documentation.
States became increasingly concerned about espionage, military service, loyalty and the movement of enemy nationals. Passport controls that had once appeared temporary became important tools of national security.
The United States introduced wartime regulations making it illegal to enter or leave the country without the required passport and official permission. European governments also expanded their documentation systems.
After the war, countries faced a confusing variety of different documents and procedures. Conferences organized by the League of Nations in 1920 and 1926 helped establish the foundations of a more standardized international passport system.
The familiar format of the modern passport - including the booklet, photograph and shared categories of personal information - developed from these efforts to make travel documents recognizable across borders.
Open Borders Were Never Open to Everyone
It is easy to imagine an earlier world where travelers moved freely with little more than a suitcase. The historical reality was far more complicated.
Some travelers carried royal protection. Others needed internal permits, quarantine approvals, witnesses or official authorization. Access to movement was often shaped by privilege and social status.
The modern passport made international travel more predictable and organized. At the same time, it strengthened the ability of governments to decide who could enter, leave or be prevented from travelling.
Before the passport became the familiar booklet carried today, the right to move across territories was recorded through seals, witnesses, permits and systems of privilege.
This article was written in cooperation with Giorgi Jikia