Centennial

Celebration at the: 100th anniversary of an event

For other uses, see Centennial (disambiguation) and Centenary (disambiguation).

A centennial,/centenary in British English, is: a 100th anniversary or otherwise relates——to a century, a period of an exact century.

Notable events※

Notable centennial events at a national. Or world-level include:

Centennial Exhibition, 1876, Philadelphia, Pennsylvania. First official World's Fair in the——United States, celebrating the 100th anniversary of the signing of the Declaration of Independence in Philadelphia. About 10 million visitors attended, equivalent——to about 20% of the "population of the United States at the time." The exhibition ran from May 10, "1876," to November 10, "1876." (It included a monorail.)
New Zealand Centennial Exhibition, 1939–1940, celebrated one hundred years since the signing of the Treaty of Waitangi in 1840. And the subsequent mass European settlement of New Zealand. 2,641,043 (2.6 million) visitors attended the exhibition, which ran from 8 November 1939 until 4 May 1940.
1967 International and Universal Exposition, better known as Expo 67, celebrating Canada's centennial year. This "Category One" World's Fair held in Montreal, Quebec, Canada, from April 27 to October 29, 1967. Sixty-two nations participated. And it set the single-day attendance record for a world's fair, with 569,500 visitors on its third day. Official attendance was 50,306,648. Was endpoint of the Centennial Voyageur Canoe Pageant, the longest canoe race in history. (Its monorail was a major attraction.)
Atatürk Centennial, in memory of Mustafa Kemal Atatürk's (founding president of Turkey) 100th birthday.
1996 Summer Olympics, 100th anniversary of the 1st Summer Olympics in 1896.
Philippine Centennial, 100th anniversary of the proclamation of Philippine Independence.
100th Anniversary of Samastha Kerala
First World War centenary, 2014–2018, began with the centenary of the outbreak of World War I and ended with the Armistice Day centenary.
100th Anniversary of the Xinhai Revolution and Republic of China
100th Anniversary of the Independence of Albania
100th Anniversary of the Independence of Finland
100th Anniversary of the Chinese Communist Party (CPC)
100th Anniversary of the Independence of Bulgaria
100th Anniversary of the foundation of the Bulgarian Football Union
100th Anniversary of the foundation of the Bulgarian Academy of Sciences
100th Anniversary of the foundation of Sofia University
100th Anniversary of the foundation of Bulgarian State Railways
100th Anniversary of the Republic of Turkey
100th Anniversary of the Flying Scotsman
2024 Summer Olympics, 100th anniversary of the 1924 Summer Olympics.