Definition that contains 1840s
- carson United States frontiersman who guided Fremont's expeditions in the 1840s and served as a Union general in the American Civil War (1809-1868)
- krupp German arms manufacturer and son of Friedrich Krupp; his firm provided ordnance for German armies from the 1840s through World War II (1812-1887)
- alfred krupp German arms manufacturer and son of Friedrich Krupp; his firm provided ordnance for German armies from the 1840s through World War II (1812-1887)
- christopher carson United States frontiersman who guided Fremont's expeditions in the 1840s and served as a Union general in the American Civil War (1809-1868)
- kit carson United States frontiersman who guided Fremont's expeditions in the 1840s and served as a Union general in the American Civil War (1809-1868)