Prince's Day is a significant annual event in the Netherlands that takes place on the third Tuesday of September. It marks the opening of the parliamentary year and is characterized by a ceremonial address known as the Queen's Speech, delivered by the reigning monarch. This speech outlines the government's plans and priorities for the upcoming year. On this day, the monarch travels to the Hague in a grand procession, accompanied by members of the royal family. The event is attended by government officials, members of parliament, and other dignitaries, making it a key occasion in the Dutch political calendar.