4 Feb 1939
- U-52 was commissioned into service. ww2dbase [U-52 | CPC]
- Hammann was launched at Kearny, New Jersey, United States, sponsored by Miss Lillian Hammann, daughter of Ensign Charles Hammann. ww2dbase [Hammann | Kearny, New Jersey | CPC]

4 Feb 1939 Interactive Map
Timeline Section Founder: Thomas Houlihan
Contributors: Alan Chanter, C. Peter Chen, Thomas Houlihan, Hugh Martyr, David Stubblebine
Special Thanks: Rory Curtis
Please consider supporting us on Patreon. Even $1 per month will go a long way! Thank you. Please help us spread the word: Stay updated with WW2DB: |
Search WW2DB
News
- » Wreck of M-49 Found (10 Apr 2025)
- » Japanese Emperor Visited Iwoto (Iwo Jima) (8 Apr 2025)
- » Race, Holocaust, and African-American WW2 Histories Removed from the US Naval Academy Library (7 Apr 2025)
- » US Government Plans to Purge WW2 Information (17 Mar 2025)
- » See all news
Random Photograph
USS San Francisco under Golden Gate Bridge en route to Mare Island Navy Yard for repairs, San Francisco, California, United States, 11 Dec 1942Current Site Statistics
- » 1,167 biographies
- » 337 events
- » 44,601 timeline entries
- » 1,243 ships
- » 350 aircraft models
- » 207 vehicle models
- » 376 weapon models
- » 123 historical documents
- » 261 facilities
- » 470 book reviews
- » 28,497 photos
- » 365 maps
Famous WW2 Quote
"I have returned. By the grace of Almighty God, our forces stand again on Philippine soil."General Douglas MacArthur at Leyte, 17 Oct 1944
Support Us

Please consider supporting us on Patreon. Even $1 a month will go a long way. Thank you!

Or, please support us by purchasing some WW2DB merchandise at TeeSpring, Thank you!