Your 43rd Anniversary.
It is called silver or silver year.
Why is the 16th anniversary called tungsten
In the US it's called a cotton anniversary, and in the UK it's called a paper anniversary.
A 100th year Anniversary is CAlled a Cenntenial .
It is called the "opal" anniversary in the USA.
Tungsten anniversary
A 100th wedding anniversary is called a "diamond" anniversary.
A 70th Anniversary is called a Platinum.
A 100th year Anniversary is CAlled a Cenntenial .
Wooden anniversary
A 100th wedding anniversary is called a "diamond" anniversary.
T Washington is called the Evergreen State.