Permanent historical factsheet

First Fat Man Assembly

United States · Warfare / Nuclear. Chronological records rendered directly from the World History Database.

1Records
1944Date range
1Named people
1Places

Chronological records

1944

William Sterling Parsons22 December 1944

Los Alamos · Warfare / Nuclear

The first full Fat Man bomb assembly is completed for handling and airdrop practice, before nuclear material and final explosive lenses are available.

Names involved

William Sterling Parsons

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by record, so formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.