1836――In September General Houston is enthusiastically elected president of the Republic of Texas. Annexation to the United States is also endorsed by a large majority. 1837――In March the United States recognizes the independence of Texas. Mexico declines to accept the treaty as signed by Santa Anna. Hostilities threaten to be actively renewed. 1839――France acknowledges the Republic of Texas. 1840――Holland and Belgium acknowledge the Republic of Texas. 1840–1843――Texas and Mexico invade each other’s territory, in a fresh series of hostilities. Several forces of Texans are captured and severely treated. 1842――Great Britain acknowledges the Republic of Texas. 1843――Texas and Mexico agree to a truce until commissioners can discuss terms of peace between the two republics. 1843――Mexico announces that the annexation of Texas by the United States would be viewed as a declaration of war. 1844――In April a treaty drawn by President Tyler and the Texas government, providing for annexation, is defeated in the United States senate. 1844――The negotiations for peace between Texas and Mexico having failed, Santa Anna, again president of Mexico, announces that war to recover the “rebellious province” is resumed. 1845――February 28 the Congress of the United States adopts a joint resolution inviting Texas into the Union. President Tyler signs, March 1. 1845――In March the Texas secretary of state has submitted to Mexico a treaty by which Mexico shall recognize the independence of the Texas Republic, on the agreement that there shall be no annexation to the United States. Mexico signs the treaty in May. 1845――June 4 Mexico declares its intention to fight for possession of Texas. 1845――June 18 the Texas Congress, convened in special session to consider the offer of the United States, unanimously rejects the treaty with Mexico and votes for annexation. October 13 the Texas people, in general election, enthusiastically endorse the action of their congress. 1845――July, the American Army of Occupation, under General Zachary Taylor, is ordered to enter Texas and advance to the Rio Grande River. 1846――Hostilities by force of arms open: by the United States to establish the claims of Texas to the Rio Grande River boundary; by Mexico, to retain possession eastward to the Nueces River. 1848――By the treaty of Guadalupe Hidalgo, signed February 2, closing the war, Mexico definitely loses Texas to the United States. 1850――By protest from the people of New Mexico, following the close of the war, the state of Texas, whose southwest and west boundary was assumed to the Rio Grande River from its mouth to its source, is rebounded and confined to practically its present generous limits.