Louisiana ordinance of secession, 1861 Jan. 26. 1 ordinance. Location: OS:L. The 130 delegates to the Louisiana secession convention assembled in Baton Rouge on January 23, 1861. On January 26, 1861, it voted 113 to 17 to secede immediately. The Louisiana ordinance of secession is inscribed by hand on a single sheet of vellum, approximately 30 x 24 in., with text written in two columns in both English and French, and bearing 132 signatures. These are positive and negative photocopies made in 1938. In English and French. Mss. 263.