sesquicentennial
noun
ses·qui·cen·ten·ni·al
ˌse-skwi-sen-ˈte-nē-əl 
: a 150th anniversary or its celebration
sesquicentennial
adjective
Examples of sesquicentennial in a Sentence
Recent Examples on the Web
In Lake County, the Oldendorf farm, which was started in 1851, was honored for reaching its sesquicentennial.
—
Post-Tribune, Chicago Tribune, 24 Aug. 2025
For the sesquicentennial, two days of celebration -- Aug. 5-6, 2000 -- included a catered dinner, car shows, musical entertainment and guest speakers.
—Annette Beard, Arkansas Online, 24 July 2025
The annual event began in 2019, the sesquicentennial of the year landscape architect Frederick Law Olmsted and architect Calvert Vaux, who had previously collaborated on the plan for New York City’s Central Park, created the general plan for Riverside.
—Myrna Petlicki, Chicago Tribune, 22 July 2025
According to the university's horticultural department website, professor Jerry Parsons and horticulturist Greg Grant, an alumnus of the class of 1984, were tasked with designing a Texas flag layout using bluebonnets to honor the state's sesquicentennial in 1986 at the San Antonio Botanical Garden.
—Brandi D. Addison, Austin American Statesman, 3 Apr. 2025
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Post-Tribune, Chicago Tribune, 24 Aug. 2025
For the sesquicentennial, two days of celebration -- Aug. 5-6, 2000 -- included a catered dinner, car shows, musical entertainment and guest speakers.
—Annette Beard, Arkansas Online, 24 July 2025
The annual event began in 2019, the sesquicentennial of the year landscape architect Frederick Law Olmsted and architect Calvert Vaux, who had previously collaborated on the plan for New York City’s Central Park, created the general plan for Riverside.
—Myrna Petlicki, Chicago Tribune, 22 July 2025
According to the university's horticultural department website, professor Jerry Parsons and horticulturist Greg Grant, an alumnus of the class of 1984, were tasked with designing a Texas flag layout using bluebonnets to honor the state's sesquicentennial in 1986 at the San Antonio Botanical Garden.
—Brandi D. Addison, Austin American Statesman, 3 Apr. 2025
See All Example Sentences for sesquicentennial
Cite this Entry
“Sesquicentennial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sesquicentennial. Accessed 3 Sep. 2025.
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sesquicentennial
noun
ses·qui·cen·ten·ni·al
ˌses-kwi-sen-ˈten-ē-əl
: a 150th anniversary or its celebration
sesquicentennial
adjective
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