mid1850s
Mid-1850s refers to the middle of the decade of the 1850s, roughly 1854 to 1856. It was a period marked by major conflicts, political shifts, and rapid technological change that influenced subsequent decades.
In Europe, the Crimean War (1853–1856) dominated diplomacy and military activity, ending with the Treaty of Paris
In North America, 1854 saw the Kansas-Nebraska Act, which established popular sovereignty for new territories and
Beyond Europe and North America, the Kanagawa Treaty of 1854 began formalizing relations between the United
The mid-1850s thus served as a hinge between earlier reform movements and the upheavals of the 1860s,