Ukraine is marking the 30th anniversary of its Constitution on Sunday, June 28, with state, military, and security leaders emphasizing the nation’s enduring fight to protect the sovereignty and democratic values enshrined in the historic document. 30th anniversary of the Ukrainian Constitution The Verkhovna Rada (Ukraine’s parliament) officially adopted the foundational document on June 28, 1996, at 9:18 a.m. local time, following nearly 24 hours of continuous and grueling plenary sessions.