<prompt> Ukudala inguqulo eyinkimbinkimbi yalesi sigwebo uZahn waqale wahlolwa ngasekupheleni kwawo-1990s.  <response>: Yiqiniso, inguqulo eyinkimbinkimbi yalesi sigwebo ithi uZahn waqale wahlolwa ngasekupheleni kwawo-1990, futhi ngemva kwalokho, waba umsekeli ovelele wendawo ethi Relay for Life kanye ne-American Cancer Society. 