An address goes out to the people calling for a state convention on December 3.

January 8 - Elections for delegates to state convention.
January 28 - State convention opens.
February 1 - Texas state convention approves ordinance of secession.
February 16 - Twiggs surrenders federal property in Texas. Without a shot being fired. He leaves the Federal army in disgrace.
February 23 - People vote on secession ordinance. Texas is the only confederate state that ratifies its secession by a vote put to the general public.
March 4 - Convention canvasses vote of people.
March 5 - Convention passes ordinance uniting Texas with the CSA.
April 12 - The first shots of the Civil War are heard at Fort Sumter.
March 5 - Texas Confederate forces occupy federal forts in Indian Territory.
July 2 - The Federal Navy begins its blockade of Galveston.
July 27- John R. Baylor captures Fort Fillmore, New Mexico.
October 22 -- General Sibley marches west out of San Antonio with his newly formed brigade to fight for New Mexico and the rest of the west for the Confederacy.

21 February - Battle of Valverde, New Mexico.
7 March - Ben McCulloch killed at Pea Ridge, Arkansas.
26-28 March - Battle of La Glorietta Pass, New Mexico.
6 April - Albert Sidney Johnston killed at Shiloh, Tennessee.
27 June - Hood's Brigade breaks enemy lines at Gaines Mill.
28 July - First Marshall Conference
30 July - Hood's Brigade leads assault at 2nd Manassas.
10 August - Battle of Nueces
16-18 August - Federals attempt to capture Corpus Christi.
17 September - Hood's Brigade in battle of Sharpsburg.
26 September - Union Navy Destroys Fort Sabine.
1-20 October - Great Hanging at Gainesville.
8 October - Federals now occupy Galveston. This jockeys back and forth throughout the war.

31 December 1862-1 January - Several units of the Texas Cavalry fight in the Stones River Campaign.
1 January - After several weeks of Federal occupation of Texas' most important seaport, the Battle of Galveston restored the island to Texas control for remainder of Civil War.
1-3 July - Battle of Gettysburg.
4 July - Vicksburg surrenders.
15-18 August - Second Marshall Conference
8 September - Battle of Sabine Pass
19-20 September - Battle of Chickamauga.
2-6 November - Union forces occupy Brownsville.

19 March - Battle of Laredo.
8 April - Texans fight for control of their cotton stores in the Red River campaign.
8 April - Battle of Mansfield.
9 April - Battle of Pleasant Hill.
12 April - Tom Green killed at Blair's Landing.
20-28 July - Battles for Atlanta.
30 July - Confederates reoccupy Brownsville
12-20 October - Elm Creek Raid.
30 November - Hiram Granbury killed at Franklin, Tennessee.

8 January - Battle of Dove Creek.
9 April - Lee surrenders at Appomattox Court House.
29 April - Joe Johnston surrenders in North Carolina.
13 May - The last land engagement of the Civil War was fought at the Battle of Palmito Ranch in far south Texas, more than a month after Gen. Lee's surrender at Appomattox, VA.
2 June - Kirby Smith surrenders at Galveston. Texas is now returned to Federal hands.
17 June - Andrew J. Hamilton appointed provisional governor of Texas.
19 June - General Granger announces Emancipation Proclamation in effect in Texas. From then on, June 19 is known as "Juneteenth," a celebration of black emancipation in Texas.