Underwater Nuclear Test at Bikini Atoll: Operation Crossroads
Navy divers and scientists scrambled to assess the radioactive aftermath after detonating an atomic bomb underwater in Bikini Atoll's lagoon, creating a contaminated water column that forced the immediate evacuation of the local population. This test proved that nuclear weapons could devastate naval fleets without direct hits, fundamentally altering Cold War strategy by demonstrating the vulnerability of ships to submerged blasts.
July 25, 1946
80 years ago
Key Figures & Places
What Else Happened on July 25
Diocletian elevated his fellow soldier Maximian to the rank of Caesar, splitting the Roman Empire into eastern and western administrative halves. This pragmatic…
en Roma, el emperador Diocleciano designa a Maximiano como César codirigente.
Constantine's troops acclaimed him emperor in York, launching a military campaign that would eventually topple the Tetrarchy and reshape the empire's religious …
The Senate built Constantine's victory arch by stealing from older monuments. Trajan's sculptures, Hadrian's medallions, Marcus Aurelius's panels—all pried loos…
clôture du Ier concile de Nicée.
The Slavs brought siege towers taller than the city's double walls. For three days in 677, they hurled themselves at Thessalonica's defenses—the Byzantine Empir…
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