August 23 – Mexican PresidentAntonio López de Santa Anna announces that the annexation ofTexas by the United States would be considered an act of war by Mexico.
December 19 – "A Christmas Carol", by Charles Dickens, was first published on December 19, 1843, with the first edition sold out by Christmas Eve. By 1844, the novella had gone through 13 printings and continues to be a robust seller more than 175 years later.[2]