tri-centennial

the university celebrated its tri-centennial with a grand gala.

this year marks the tri-centennial of the founding of the city.

the tri-centennial anniversary prompted reflection on the nation's history.

we are planning a series of events to commemorate the tri-centennial.

the tri-centennial foundation laid the groundwork for future success.

the museum hosted a special exhibition for the tri-centennial.

the tri-centennial milestone represents a significant achievement for the company.

the historical society published a book detailing the tri-centennial period.

the tri-centennial celebration included fireworks and a parade.

the town's tri-centennial was a time for community gathering and reflection.

the tri-centennial legacy continues to inspire future generations.