quatercentennial

9.9

A 400th anniversary of an event or its celebration

noun
/ˌkwɔːtərsɛnˈtɛnial/

: cuatercentenario

A special coin was minted to commemorate the nation's quatercentennial in 2020.

Examples

The city organized a quatercentennial festival, drawing visitors from all over the world.
Several academic conferences were held during the university's quatercentennial celebrations.
The town celebrated its quatercentennial last year.
Many events are planned for the quatercentennial of the founding of our city.
The city organized a quatercentennial festival, drawing visitors from all over the world.
Several academic conferences were held during the university's quatercentennial celebrations.
Many events are planned for the quatercentennial of the founding of our city.

Synonyms

quadricentennial

vsquatercentennial

1 9.1

A 400th anniversary or a celebration for it

is the general term that does not stress the event's significance

quatercentenary

vsquatercentennial

Formal

1 9.9

The 400th anniversary of an event

is the same meaning but often written in an alternate form

Surface Forms

quatercentennial singular

quatercentennials plural

Morphology

quatercentennial = centennial (semi-transparent) = quater + centennial

The relationship to 'centennial' is clear, but the combining form 'quater-' (four times) is relatively rare and may be unfamiliar to many learners.

Etymology

Quatercentennial comes from quater- meaning 'four' and centennial meaning '100 years', like in century. So a quatercentennial is the 400th anniversary or the celebration of 400 years.