Spring Festival Anniversary Question

In the tranquil village of Eldergrove, the arrival of spring is celebrated with a festival that has captivated residents for generations. Each year, townsfolk gather to appreciate the blooming flowers, listen to music, and enjoy delicious food. This year's festival is particularly special because it marks the _________ of the festival's founding in 1873, making it the _________ year of celebration.

As excitement builds, many wonder what surprises the organizers have in store for the occasion.