20 Cool Everyday Things That Were Actually Designed for WWI

Modern 
passports

Mendenhall Olga/Shutterstock

In hopes of 
restoring tourism throughout Europe, 
the League of Nations issued guidelines for uniform passports in 1920. The standard documents were to include a cover embossed with the issuing country’s name and coat 
of arms—the same 
basic look they have 
today in most every country, including the United States. Next, take a look at these hilarious inventions that failed spectacularly.