Something to Be Proud Of was created on 2005-05-09.
Proud TV was created in 2006.
I Am So Proud of You was created in 2008.
Proud Mary was created in 1969.
....And Proud was created on 2008-07-23.
The Proud General was created in 1956.
The Proud Tower was created in 1966.
Most modern grammarians do not consider that there is any error in the phrase as written, but some conservatives believe it should be written, "That is definitely something of which to be proud", in order to avoid ending a sentence with a preposition.
Proud Helios was created in 1995-02.
The Proud Ones was created in 1956-05.
The Proud Family was created on 2001-09-15.
Jerusalem Is Proud to Present was created in 2008.
Marge Be Not Proud was created on 1995-12-17.