Passports - Stuff That I Find Interesting

The video explores the history of passports, starting with early travel documents like the Mongol Empire's metal tokens and medieval pilgrimage receipts. It discusses the evolution of travel restrictions and the introduction of national passports, highlighting the British resistance to such controls. The narrative covers the impact of the Industrial Revolution and World War I on passport regulations, leading to the League of Nations' standardization. The video concludes with a humorous note on early passport photos.

What new insight or understanding did you gain from this video?