How does a religious movement adapt its sacred prayers to embrace seismic historical changes? Conservative Judaism's evolving liturgical response to Israel's establishment reveals a complex interplay between tradition, ideology, and contemporary Jewish identity. Through comparative analysis of three Conservative movement prayer books - the 1961 Weekday Prayer Book, 1985 Siddur Sim Shalom, and 1998 Israeli Siddur Va'ani Tefillati - distinct shifts emerge in the Al ha-Nissim prayers composed for Yom ha-Atzma'ut (Israel Independence Day). Each version reflects markedly different theological and ideological perspectives: the 1961 prayer prominently links the Holocaust to Israel's establishment, portraying Israel primarily as refuge; the 1985 version diminishes Holocaust references while emphasizing historical continuity and ongoing divine miracles; and the 1998 Israeli edition adopts explicitly Zionist language, framing Israel's establishment within continuous land-building efforts. These liturgical innovations serve as vehicles for ideological expression, with each prayer book reflecting contemporary Jewish concerns and geographic perspectives. The progression illustrates the Conservative movement's challenge of balancing traditional continuity with contemporary relevance, while revealing how location, historical context, and communal identity shape religious expression and theological interpretation.