Texas: Polity Style: 1835-1846

7 Nov 1835	the recognition of the authority of the central government of Mexico is withdrawn in accordance with a declaration passed by the Convention of the People of Texas ("Consultation of Texas") at San Felipe de Austin on 7 Nov 1835 (Texas Ordinances and Decrees 1836, pp. 3-4; Gammel's Laws of Texas, 1:521-523; 1:907-908)
2 Mar 1836	Texas is proclaimed a free, sovereign and independent republic in accordance with a declaration adopted by the Convention at the town of Washington (now Washington-on-the-Brazos) on 2 Mar 1836 (Gammel's Laws of Texas, 1:834-837, 1:1063-1067) [1]
2 Mar 1836 - 16 Feb 1846	Republic of Texas
1 Mar 1845	the admission of the Republic of Texas to the United States under the name of the State of Texas is agreed upon, subject to the fulfillment of certain conditions, in accordance with a resolution of the Congress of the United States (passed by the House of Representatives on 25 Feb 1845; Senate on 1 Mar 1845), approved by the President of the United States on 1 Mar 1845 (Statutes at Large, 5:797-798)
4 Jul 1845	the proposals, conditions, and guarantees contained in the resolution of the Congress of the United States of 1 Mar 1845 are accepted in accordance with an ordinance adopted at the session of the Convention held in Austin on 4 Jul 1845 (Texas Convention 1845, pp. 8-11, 367-370; Gammel's Laws of Texas, 2:1303)
28 Aug 1845	the Constitution of the State of Texas is adopted at the session of the Convention held in Austin on 28 Aug 1845 (Texas Convention 1845, pp. 338-370) [2]
10 Nov 1845	the Constitution of the State of Texas and a proposal for annexation are approved by a popular vote held on 13 Oct 1845, and the results are certified and proclaimed by the President of the Republic of Texas on 10 Nov 1845 (Texas National Register, No. 45, 15 Nov 1845, p. 7)
29 Dec 1845	the Constitution of the State of Texas is approved, Texas is admitted to the United States under the name of the State of Texas, in accordance with a resolution of the Congress of the United States (passed by the House of Representatives on 16 Dec 1845, Senate on 22 Dec 1845), approved by the President of the United States on 29 Dec 1845 (Statutes at Large, 9:108)
16 Feb 1846	the Constitution of the State of Texas comes into operation from and after the organization of the state government, upon the convening of the Legislature on 16 Feb 1846 in Austin, as required by Article 13, Section 6, of the Constitution (Texas National Register, No. 45, 15 Nov 1845, p. 7) [3]

The declaration was first signed on 3 Mar 1836, with additional signatures added later (Kemp 1944, xv-xvi).
The debates on the Constitution were concluded on 27 Aug 1845, and this date is printed next to the names of the President and members of the Convention; however, the final passage of the Constitution took place on 28 Aug 1845.
The date of the coming into effect of the Constitution of 1845 is upheld by a ruling of the Supreme Court of Texas in Cocke v. Calkin & Co. (Texas Supreme Court Cases 1846-1847, 1:542ff).