description START I Overview
The START I Treaty was a landmark agreement between the United States and Soviet Union in 1991. It represented the first treaty to establish verifiable reductions in strategic nuclear arsenals. This bilateral initiative, signed by President George H.W. Bush and Mikhail Gorbachev, aimed to limit long-range ballistic missiles and submarine-launched missiles, fostering greater transparency and contributing to a gradual de-escalation of Cold War tensions.
The treaty was primarily for the benefit of both nations seeking to reduce the risk of nuclear conflict and manage their respective military capabilities.
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START I ranks #41 of 159 in the Treaty ranking, behind Treaty of Versailles, ahead of Treaty of Paris (1763).
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Who signed START I and when was it signed?
START I was signed by the United States and the Soviet Union on July 31, 1991. The political figures involved included President George H.W. Bush and Mikhail Gorbachev.
What was the purpose of START I?
The treaty set verifiable limits on strategic nuclear arsenals and related delivery systems. It was the first broad agreement of that type with practical inspection mechanisms.
Did START I enter into force?
Yes, the treaty entered into force in 1994 after ratification and implementation steps. It then structured later U.S.-Russian strategic reductions.
How is START I viewed relative to later treaties?
It is usually treated as the foundational post-Cold War strategic reduction framework. Later treaties such as New START were built on the compliance logic introduced by START I.
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