Events in 1870

January 1, 1870

American Steel Industry Boom

The dramatic expansion of the American steel industry from 1870 transformed the nation's economy through technological innovations, particularly the Bessemer process, leading to unprecedented industrial growth and the emergence of industrial giants like Andrew Carnegie.

February 23, 1870

Mississippi Readmission to Union

After a complex reconstruction period, Mississippi officially rejoined the Union on February 23, 1870, becoming one of the last Confederate states to be readmitted. The state had to meet strict federal requirements, including ratifying constitutional amendments and implementing civil rights protections.