The Chemeketa Chapter of the Oregon Society DAR asked the Governor of Oregon, John A. Kitzhaber, M.D. to issue a proclamation for the observance of Constitution Week. The anniversary of the signing of the US Constitution is September 17. Constitution Week is celebrated from September 17 through 23. This observance was initiated by the Daughters of the American Revolution. The United States government began to officially observe Constitution Week when President Eisenhower sign legislation on August 2, 1956.