The protesters want the monarchy reformed to make it more accountable.
Anti-corruption prosecutors are allegedly probing the alleged use by the former king, ex-Queen Sofia and some family members of credit cards linked to foreign accounts not in their names.
Prinsjesdag or 'Budget day' represents the start of the new parliamentary year on which the reigning monarch of the Netherlands addresses a joint session of the Dutch Senate and House of Representatives in the Ridderzaal in The Hague.
The Duke and Duchess of Cambridge are "very pleased" to share these adorable photos of the birthday girl.
“After careful consideration The Duke of Edinburgh has taken the decision to voluntarily surrender his driving licence," Buckingham Palace announced.
A Swedish man has been jailed for four and a half years for the theft.