The flag is based off of William 1, prince of orange. The flag was originally orange but it started to fade to red so they changed it to red.
Joining the EU
The Netherlands joined the EU in 1952. They are one of the founding members of the EU.
Geography of the Netherlands
The Netherlands are located between Belgium, Germany, and right below the Mediterranean sea. The Netherlands was once part of Spain but declared independence in 1579. One big problem of the Netherlands is flooding because 75% of of the country is below sea level.