The Partial Test Ban Treaty of 1963 banned atmospheric nuclear testing.

The Partial Test Ban Treaty of 1963 is generally acknowledged to have ended the project.

Early 1960s, before détente, the Partial Test Ban Treaty had been signed on August 5, 1963.

In 1963, many countries ratified the Partial Test Ban Treaty which prohibited atmospheric nuclear testing.

His call for a Partial Test Ban Treaty to aboveground nuclear weapons tests proved premature and lost him support.

His work on nuclear fallout was a major contribution to the agreement of the Partial Test Ban Treaty.

All further tests were conducted underground, in accordance with the Partial Test Ban Treaty.

Strontium-90 found in worldwide fallout later led to the Partial Test Ban Treaty.

The Partial Nuclear Test Ban Treaty, signed on August 5, takes effect.

The Partial Test Ban Treaty was passed the following year, ending atmospheric and exoatmospheric nuclear tests.