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Sesquicentennial
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Meaning
Adj
●
Occurring every 150 years.
●
Of, or
relating
to a sesquicentenary.
Noun
●
A 150th anniversary.
Sourced from
Wiktionary
Origin
sesquicentennial
English
centennial
English
sesqui-
English
sēsqui
Latin
Sourced from
Etym
Related
Bicentennial
Centenary
Tricentennial
Commemoration
Anniversary
Quadrennial
Diamond Jubilee
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