Permanent historical factsheet

United States Citizenship

United States of America · Science / Physics. Chronological records rendered directly from the World History Database.

2Records
1940–1944Date range
2Named people
1Places

Chronological records

1940

Albert Einstein1 October 1940

Trenton · Science / Physics

Becomes a United States citizen while retaining Swiss citizenship.

1944

Enrico Fermi11 July 1944

Science / Physics

Becomes a naturalized citizen of the United States together with his wife Laura Fermi.

Names involved

Albert EinsteinEnrico Fermi

Provenance

This factsheet is generated from stored World History Database records matching the country, broad category, detailed category and exact Event value shown above. Duplicate display records are collapsed; database wording is otherwise preserved. Source provenance varies by record, so formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.