ses·​qui·​cen·​ten·​ni·​al | \ ˌse-skwi-sen-ˈte-nē-əl How to pronounce sesquicentennial (audio) \

Definition of sesquicentennial

: a 150th anniversary or its celebration

Keep scrolling for more

Other Words from sesquicentennial

sesquicentennial adjective

Examples of sesquicentennial in a Sentence

Recent Examples on the Web But Bacevich offers nothing from Calvin Coolidge’s luminous address on the sesquicentennial of the Declaration of Independence. George F. Will, New York Times, "The Mind of Conservatism," 1 Apr. 2020 Jones and McCoy were involved with the sesquicentennial through their work with the Carver-Price Legacy Museum, a nonprofit seeking to tell the history of black Americans from their perspective. NBC News, "A bell that began its journey in a time of slavery is now used as a symbol of power for a black family," 15 Oct. 2019 In addition to celebrating college football’s sesquicentennial, the Sooners are marking their 125th season this year. Paul Lukas,, "Uni Watch College Football Preview 2019," 29 Aug. 2019 This includes Wyoming's fight for women's suffrage—the state is celebrating the sesquicentennial of the Territory of Wyoming giving women the right to vote in 1869. Laura Kiniry, Smithsonian, "The 15 Best Small Towns to Visit in 2019," 6 June 2019 To celebrate the sesquicentennial, Orchard House will host many events, including a conversational series to discuss the book’s modern-day relevance. Washington Post, "‘Little Women’ and author Alcott resonate 150 years later," 12 June 2018 Wise led an effort to paint murals on the bridge for Sugar Land's celebrations of the Texas sesquicentennial in 1986. Staff Report, Houston Chronicle, "Council approves Annette Williamson Wise Bridge," 11 Apr. 2018 The Whitcomb incident occurred, or nearly occurred, in Bloomington at Indiana University on Jan. 20 as Whitcomb attended a banquet to celebrate the school's sesquicentennial. Will Higgins, Indianapolis Star, "That time Indy cops feared 'leftists' could slip LSD to Richard Nixon," 3 Jan. 2018 Then-Harris County Pct. 2 Commissioner Jim Fonteno committed to building a new library in Crosby, and fast-tracked the project in order to break ground on the new library before the sesquicentennial. Melanie Feuk, Houston Chronicle, "Crosby library celebrates 30 years and new name," 31 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sesquicentennial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of sesquicentennial

1880, in the meaning defined above

Keep scrolling for more

Learn More about sesquicentennial

Time Traveler for sesquicentennial

Time Traveler

The first known use of sesquicentennial was in 1880

See more words from the same year

Statistics for sesquicentennial

Last Updated

8 Apr 2020

Cite this Entry

“Sesquicentennial.” Dictionary, Merriam-Webster, Accessed 1 Jun. 2020.

Comments on sesquicentennial

What made you want to look up sesquicentennial? Please tell us where you read or heard it (including the quote, if possible).


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

May 2020 Words of the Day Quiz

  • a blooming wisteria tree
  • Which is a synonym of exiguous?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!