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sesquicentenary Line breaks: ses¦qui|cen¦ten|ary
Pronunciation: /ˌsɛskwɪsɛnˈtiːn(ə)ri/

Definition of sesquicentenary in English:

noun (plural sesquicentenaries)

The one-hundred-and-fiftieth anniversary of a significant event: the year in which both celebrate their sesquicentenaries
More example sentences
  • The sesquicentenary of the Eureka Stockade in Ballarat, Victoria, is due to be commemorated on December 3.
  • That is the challenge confronting this Parliament as it embarks upon its second sesquicentenary.
  • A note from the Department of Posts says that the Cartes Maxim series is also in celebration of the sesquicentenary of India Post.


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Relating to a sesquicentenary: part of the Society’s sesquicentenary celebrations
More example sentences
  • Shirley Fitzgerald's Sydney 1842-1992 and shorter books on Chippendale, Surry Hills, Millers Point, and Pyrmont were a major part of Sydney City Council's sesquicentenary celebrations.
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