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Period: to
Hanford Nuclear Powerplant
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WWII
Japan attacks United States air base, at Pearl Harbor, Hawaii. -
Hanford Nuclear Powerplant
Hanford Nuclear Powerplant is established for the creation of plutonium that the United States use for the first atomic bomb. -
Hanford Nuclear Powerplant
Plutonium production begins at the Hanford Nuclear site, releasing radioisotopes into the environment. -
United States Takes Action In WWII
The Fat Man Bomb is released on Nagasaki, Japan. -
Hanford's Secrets Revealed
19,000 documents of Hanford's activity during the earlier years of plutonium production was released. -
HHDR is Created
Hanford Historical Document Reveiew comitee was formed. -
Hanford's Secrets Revealed Again
An additional 20,000 pages were released about Hanfor'd activity in its earlier years. -
Hanford Nuclear Powerplant
Hanford Nuclear Site is shutdown and all nuclear activity is stopped. -
Tri- Party Agreement
Tri-Party Agreement was created. -
Clean-up
Scientists estimate that all cleanups will be complete.