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Nuclear Weapons: The Problem
Impact of Nuclear Weapons
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About Nuclear Weapons
80 years is enough
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Our Solution: The Ban
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The Treaty
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5 years in force
Nuclear Weapons: The Problem
Impact of Nuclear Weapons
Which countries have nuclear weapons?
What happens if nuclear weapons are used?
About Nuclear Weapons
80 years is enough
Our Solution: The Ban
Why a ban?
The Treaty
How is your country doing?
Signature and ratification status
Help Make it Happen
All Actions
Join the Campaign
Get your Country on board
ICAN Cities Appeal
ICAN Parliamentary Pledge
Events
Donate
About
The campaign
People and Structure
Partners
Nobel Prize
History of ICAN
Voices
News
Resources
Contact
Shop
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Nuclear Weapons: The Problem
Nuclear Weapons History
Manhattan Project established in US
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August 1942 | Manhattan Project established in US
August 1942
The United States sets up the Manhattan Project to develop the first nuclear weapon