Kings Day Amsterdam 2025 Dates. A day celebrating national pride and unity in the form of festivals, nightclub parties, flea markets, open air street and boat parties. In 2025, the netherlands will celebrate several key public holidays, including new year’s day, king’s day, and liberation day.

It is one of the biggest and most colourful celebrations in the netherlands. Liberation day on may 5 will also be a big splash as the netherlands celebrates 80 years.