1. plural of centenary; 100th anniversaries of significant events

Examples

• The museum is celebrating the centenaries of several important historical events this year.
• Many cities planned special festivities for the centenaries of their founding.
• The university marked the centenaries of its most distinguished alumni.
• Several centenaries of major battles were commemorated with memorial services.
• The library displayed books about the centenaries of famous authors’ births.
• Local historians researched the centenaries of significant community milestones.