mid1840s
The mid1840s refers to the years around 1844–1846, a period marked by rapid industrialization, imperial expansion, and social change in several world regions. The decade sits between the early-1840s wave of modernization and the more widespread political upheavals of the late 1840s.
In Europe, industrialization continued to accelerate, with railways expanding and communications improving through telegraph networks. Economic
Across the Atlantic, the United States pursued territorial expansion: Texas was annexed in 1845, and the Mexican-American
In science and culture, notable advances included the discovery of Neptune in 1846, reaffirming the capabilities