Between 1880 and 1920, more than 20 million immigrants arrive. (jan 1, 1880 – dec 31, 1920)
Description:
The majority are from Southern, Eastern and Central Europe. Many of them settle in major U.S. cities and work in factories, which helps industry developmentAdded to timeline:
Date:
jan 1, 1880
dec 31, 1920
~ 41 years