Quadricentennial
A "Quadricentennial" marks the 400th anniversary of a significant event. This term is often used to celebrate milestones in history, culture, or institutions. For example, the Quadricentennial of the founding of a city or the publication of a famous book can be commemorated with various festivities and educational programs.
Such celebrations may include exhibitions, lectures, and performances that highlight the importance of the event being honored. The Quadricentennial can serve as an opportunity for reflection on the past and discussions about the future, fostering a sense of community and shared heritage among participants.