Hi, to answer your question - the word for the 150thanniversary of any event that commemorates or celebrates its initial event is called its sesquicentennial.
sesquicentennial
A medallion that celbrates the 150th anniversary of an event.
swami vivekanand's 150th birth anniversary is on 12/01/12
ghosts birthday
The 150th anniversary of the signing of the Treaty of Waitangi.
50-1000 usd
A 150th anniversary.
The 150th anniversary of the signing of the Treaty of Waitangi.
Religion and Ethics Newsweekly - 1997 Lourdes 150th Anniversary 11-45 was released on: USA: 11 July 2008
Information not available in the public domain to answer.
1995 gun catalogs
Scott 941 was issued to commemorate Tennessee's 150th anniversary. This 3 cent stamp was issued in 1946. It can be purchased in mint condition for 50 cents and has a minimal value used.
Pritzker Military Library Presents - 2006 Chicago History Museum 150th Anniversary 1-33 was released on: USA: 19 November 2006