tercentenary

1. N-SING A tercentenary is a day or a year which is exactly three hundred years after an important event such as the birth of a famous person. 三百周年紀(jì)念[oft 'the' N 'of' n]

...the tercentenary of Purcell's death. ...普賽爾逝世三百周年紀(jì)念日。