![MHS Collections Online: Second Bikini Atoll atomic bomb test [1 second after detonation], 25 July 1946 MHS Collections Online: Second Bikini Atoll atomic bomb test [1 second after detonation], 25 July 1946](http://www.masshist.org//database/images11/5621_bikini_1_sec_work_ref.jpg)
MHS Collections Online: Second Bikini Atoll atomic bomb test [1 second after detonation], 25 July 1946
HISTORY - On July 5, 1946, French designer Louis Réard unveiled a two-piece swimsuit at the Piscine Molitor, a popular swimming pool in Paris. Parisian showgirl Micheline Bernardini modeled the new fashion,
![Bombs at Bikini; the official report of Operation Crossroads. Atomic bomb. UPPER. Test A, the explosion in air; 9:00 a.m. on July 1, 1946. The hemispherical condensation cloud, lit by the Bombs at Bikini; the official report of Operation Crossroads. Atomic bomb. UPPER. Test A, the explosion in air; 9:00 a.m. on July 1, 1946. The hemispherical condensation cloud, lit by the](https://c8.alamy.com/comp/RHE5B7/bombs-at-bikini-the-official-report-of-operation-crossroads-atomic-bomb-upper-test-a-the-explosion-in-air-900-am-on-july-1-1946-the-hemispherical-condensation-cloud-lit-by-the-white-hot-fireball-at-the-center-outshines-the-tropical-sun-lower-the-fireball-starts-its-swift-ascent-into-the-stratosphere-plate-18-please-note-that-these-images-are-extracted-from-scanned-page-images-that-may-have-been-digitally-enhanced-for-readability-coloration-and-appearance-of-these-illustrations-may-not-perfectly-resemble-the-original-work-united-states-joint-task-force-one-shurcliff-wi-RHE5B7.jpg)
Bombs at Bikini; the official report of Operation Crossroads. Atomic bomb. UPPER. Test A, the explosion in air; 9:00 a.m. on July 1, 1946. The hemispherical condensation cloud, lit by the
![Fluegel Patriotic Cover commemorating first atomic bomb test at Bikini Islands - Science History Institute Digital Collections Fluegel Patriotic Cover commemorating first atomic bomb test at Bikini Islands - Science History Institute Digital Collections](https://scihist-digicoll-production-derivatives.s3.amazonaws.com/fa57d37c-4dce-4b12-8256-cd5d8914bf35/download_medium/11adf11cc283c41629d67d9d606a1c4e.jpeg)
Fluegel Patriotic Cover commemorating first atomic bomb test at Bikini Islands - Science History Institute Digital Collections
![70th Anniversary of Operation Crossroads Atomic Tests in Bikini Atoll, July 1946 | National Security Archive 70th Anniversary of Operation Crossroads Atomic Tests in Bikini Atoll, July 1946 | National Security Archive](https://nsarchive.gwu.edu/sites/default/files/thumbnails/image/crossroad-1800.jpg)
70th Anniversary of Operation Crossroads Atomic Tests in Bikini Atoll, July 1946 | National Security Archive
![Atomic Bomb Test during Operation Crossroads. Between 1946 and 1958 the United States experimented with nuclear weapons on Bikini Island in the Pacific. On 25 July 1946 an atomic bomb was exploded Atomic Bomb Test during Operation Crossroads. Between 1946 and 1958 the United States experimented with nuclear weapons on Bikini Island in the Pacific. On 25 July 1946 an atomic bomb was exploded](https://c8.alamy.com/comp/2G232PC/atomic-bomb-test-during-operation-crossroads-between-1946-and-1958-the-united-states-experimented-with-nuclear-weapons-on-bikini-island-in-the-pacific-on-25-july-1946-an-atomic-bomb-was-exploded-underwater-along-the-coast-these-images-were-printed-in-large-format-in-life-magazine-with-the-caption-it-was-perhaps-the-most-awesome-man-made-spectacle-ever-photographed-these-photographs-allowed-the-public-at-large-to-see-the-destructive-power-of-the-atomic-bomb-for-the-first-time-2G232PC.jpg)
Atomic Bomb Test during Operation Crossroads. Between 1946 and 1958 the United States experimented with nuclear weapons on Bikini Island in the Pacific. On 25 July 1946 an atomic bomb was exploded
![File:USS Appalachian (AGC-1) postal cachet commemorating the Able atomic bomb test at Bikini Atoll, 1 July 1946 (NH 94687).png - Wikimedia Commons File:USS Appalachian (AGC-1) postal cachet commemorating the Able atomic bomb test at Bikini Atoll, 1 July 1946 (NH 94687).png - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/6/6b/USS_Appalachian_%28AGC-1%29_postal_cachet_commemorating_the_Able_atomic_bomb_test_at_Bikini_Atoll%2C_1_July_1946_%28NH_94687%29.png/485px-USS_Appalachian_%28AGC-1%29_postal_cachet_commemorating_the_Able_atomic_bomb_test_at_Bikini_Atoll%2C_1_July_1946_%28NH_94687%29.png)
File:USS Appalachian (AGC-1) postal cachet commemorating the Able atomic bomb test at Bikini Atoll, 1 July 1946 (NH 94687).png - Wikimedia Commons
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Amazon.com: Posterazzi Bikini Atoll Marshall Islands Atomic bomb explosion Able Day July 1 1946 Poster Print, (18 x 24): Posters & Prints
![Atomic Bomb Letter regarding Bikini Island Nuclear Test dated July 23, 1946 (Written 2 days before test) - Scripophily.com | Collect Stocks and Bonds | Old Stock Certificates for Sale | Old Stock Research | RM Smythe Atomic Bomb Letter regarding Bikini Island Nuclear Test dated July 23, 1946 (Written 2 days before test) - Scripophily.com | Collect Stocks and Bonds | Old Stock Certificates for Sale | Old Stock Research | RM Smythe](https://cdn11.bigcommerce.com/s-gvae5krt3k/images/stencil/1280x1280/products/1069/6241/atomic-bomb-letter-1946-43__06794.1624995189.jpg?c=1)