1989年6月4日，你記得當天嗎？ 還是你還未在這世上出現？ 在的話，你記得當天世上發生什麼大事？ Do you remember 4th June 1989? In fact, were you even born then? And if so, do remember what happened in the world that day? 波蘭至1920年第一次半自由選舉， 獨立自治公會勝出。