Declaring US$10,000 cash at customs
It is written on almost all customs and immigration forms for Jamaica and the United States of America. It is written in clear language but sometimes ignored.

First official national videogame archive
The videogame medium is, depending on when you start counting, 46 years old. That's still relatively young compared to other popular media, but it's old enough, it seems, to start preserving the industry's rich history.