The Estonian Constitution was adopted on June 28, 1992, following Estonia's restoration of independence from the Soviet Union. It serves as the fundamental legal document of the country, outlining the structure of government, the rights of citizens, and the principles of democracy. The Constitution establishes a parliamentary system, with a Riigikogu (Parliament) responsible for legislation. It guarantees various civil liberties, including freedom of speech, assembly, and religion, ensuring that the rights of individuals are protected within the framework of the law.