Sesquiennial
Sesquicentennial.
In a regular year, the 150th day of the year is May 30. In a leap year, the 150th day of the year is May 29.
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An 150 year celebration is called a Sesquicentennial celebration
A 100 year celebration is called a centennial celebration.
A medallion that celbrates the 150th anniversary of an event.
60 year celebration
Yes the school is currently celebrating the 150th year of its rowing team.
150th of a US gallon is equal to 0.853 fluid ounces.
The 150th episode produced was Season 8 | Brian & StewieThe 150th episode aired was Season 9 | Welcome Back Carter
It is called a "centennial celebration"
IN 2008, THE AFL HAD ITS 150TH BIRTHDAY SO THIS YEAR (2010) IT'S 152 YEARS OLD
China (not the country) is the traditional 20 year anniversary or celebration symbol.