Il numero romano MDCCCXLIII nel sistema decimale vale: 1843.
MDCCCXLIII in latino si scrive mille octingenti quadraginta tres,
mentre in italiano milleottocentoquarantatré.
MDCCCXXIV, MDCCCXXV, MDCCCXXVI, MDCCCXXVII, MDCCCXXVIII, MDCCCXXIX, MDCCCXXX, MDCCCXXXI, MDCCCXXXII, MDCCCXXXIII, MDCCCXXXIV, MDCCCXXXV, MDCCCXXXVI, MDCCCXXXVII, MDCCCXXXVIII, MDCCCXXXIX, MDCCCXL, MDCCCXLI, MDCCCXLII, MDCCCXLIV, MDCCCXLV, MDCCCXLVI, MDCCCXLVII, MDCCCXLVIII, MDCCCXLIX, MDCCCL, MDCCCLI, MDCCCLII, MDCCCLIII, MDCCCLIV, MDCCCLV, MDCCCLVI, MDCCCLVII, MDCCCLVIII, MDCCCLIX, MDCCCLX, MDCCCLXI, MDCCCLXII