In honor of Koningsdag or King’s Day EuroRob checks in with a great meet and greet photo of Prince John. King’s Day is celebrated on April 27 and marks the birth of King Willem-Alexander. It is a national holiday that celebrates with the national color of orange and the country offers many flea markets and music festivals. It’s seen as a one day celebration of life, friendship and community. It’s the one day of the year that you’re allowed to sell on the streets without purchasing a permit or paying the Value Added tax. I guess Prince John fits then huh?