I think you should call it a commemoration. I'm not sure, I'm not a native english speaker (neither british or american).
- maybe OT 11 year anniversay of Chuck Yerkes death Diana Eichert
- Re: maybe OT 11 year anniversay of Chuck Yerkes ... Christoph R. Murauer
- Re: maybe OT 11 year anniversay of Chuck Yerkes ... Mihai Popescu
- Re: maybe OT 11 year anniversay of Chuck Yer... Daniel Wilkins