The evidence behind every card

Sources

The year printed on each card marks the invention's first commercially viable release — when it actually reached the market. Not the earliest prototype, patent, or concept. Historians occasionally date these differently; the Drive below shows the reference we chose for every card, and why.

Google Drive · Public read-only · No sign-in required

The facts in this game are provided for entertainment. Care has been taken to verify accuracy at the time of publication, but Nordic Pirates AB makes no warranty as to completeness or correctness — some details are simplified, and some are debated among historians and experts.