But those two decades of atomic bomb tests increased the C - 14 in the atmosphere. (scientificamerican.com)
Even the hundreds of bomb tests in the 1950s and 1960s failed to give me cancer, and I drank a lot of milk. (realclimate.org)
In 1954, a hydrogen bomb test at Bikini Atoll exposed the 23 man crew of the Japanese fishing vessel Lucky Dragon 5 to radioactive fallout. (en.wikipedia.org)