Kammala wannan jumla: A shekara ta 1854, an shirya yankin Kansas, sannan a shekara ta 1861 Kansas ta zama jihar Amurka ta 34. An kafa Gundumar Decatur a ranar 20 ga Maris, 1873 kuma an tsara ta a ranar 15 ga Disamba, 1879. An kira shi don jarumin yakin Navy Commodore Stephen Decatur, Jr., wanda ya yi aiki a lokacin
Yaƙin Barbary na Farko da Yaƙin Barbary na Biyu da Yaƙin 1812.