<prompt> Translate the following text to EnglishMkutano huo ulifanyika na viongozi wa chama cha Solidarity Adam Michnik na Rais wa Poland Alexander Kwasniewski, ambao walihudhuria mazungumzo ya 1989 ambayo yaliongoza kwenye kuundwa kwa serikali ya Solidarity.  <response>: Most of the conference attendees, including Solidarity leader Adam Michnik and Polands President Alexander Kwasniewski, participated in the 1989 talks that led to a Solidarity government. 