FAIRFAX, Va., July 16 -- George Mason University issued the following news release:

As the United States celebrates its 250th anniversary, the Institute for Immigration Research (IIR) in the College of Humanities and Social Sciences (CHSS) at George Mason University has unveiled "Immigrants & America 250: Data, Stories, and Policy Across United States History," a first-of-its-kind interactive digital timeline that explores how immigration has shaped the United States from its earliest years to present day.

The new online experience combines historical population data, landmark immigration policies, notable immigrant contributions, and archival cultural collections into a single educational resource designed for educators, researchers, pol...