Births on March 20

Ferris Jacobs, Jr., American general, lawyer, and politician (d. 1886)

Ferris Jacobs Jr. (March 20, 1836 – August 30, 1886) was an American officer and politician; he was a United States Representative from New York.

23 Feb

Siege of the Alamo
Texas Revolution: The Siege of the Alamo (prelude to the Battle of the Alamo) begins in San Antonio, Texas.
25 Feb

Colt Firearms
Samuel Colt is granted a United States patent for the Colt revolver.
6 Mar

Battle of the Alamo
Texas Revolution: Battle of the Alamo - After a thirteen-day siege by an army of 3,000 Mexican troops, the 187 Texas volunteers, including frontiersman Davy Crockett and colonel Jim Bowie, defending the Alamo are killed and the fort is captured.
21 Apr

Battle of San Jacinto
Texas Revolution: The Battle of San Jacinto: Republic of Texas forces under Sam Houston defeat troops under Mexican General Antonio López de Santa Anna.
22 Apr

Battle of San Jacinto
Texas Revolution: A day after the Battle of San Jacinto, forces under Texas General Sam Houston identify Mexican General Antonio López de Santa Anna among the captives of the battle when one of his fellow captives mistakenly gives away his identity.