duodecennial in a sentence

Definition

Duodecennial refers to something that occurs every twelve years or relates to a period of twelve years.

The city hosted a grand celebration for its duodecennial anniversary, marking twelve years of progress.
During the duodecennial review, the committee assessed the impact of their initiatives over the past twelve years.
The duodecennial festival attracted thousands of visitors eager to celebrate the community's rich history.
In preparation for the duodecennial, the organization launched a fundraising campaign to support local artists.
The duodecennial report highlighted significant advancements in technology and education within the region.