150 years.
A 150th anniversary.
Sesquicentennial refers to the 150 years anniversary.
Every 150 years a sesquicentennial occurs.
150 years (but spelling should be SESQUICENTENNIAL)
"Sesquicentennial" (another syllable there--"cent") means 150 years.
sesquicentennial
sesquicentennial
Every 150 years.
One hundred fifty years. The prefix "sesqui" means "one and a half". "Centennial" means "one hundred years". America's sesquicentennial was on July 4, 1926.
150 years old
In 1990. Its sesquicentennial (150 years) will be in 2040.
Sesquicentennial means 150 year anniversary. The Signing of the treaty was in 1840. 1840 + 150 = 1990