sesquicentennial
Sesquicentennial refers to a period of 150 years. The term is derived from Latin, with "sesqui" meaning "one and a half" and "centennial" meaning "hundred years." Therefore, a sesquicentennial marks a 150th anniversary of a significant event, person, or entity.
The celebration of a sesquicentennial often involves various commemorative activities. These can include public events, historical
For example, a nation might celebrate its sesquicentennial of independence, a city might mark its sesquicentennial