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S. 200: Restricting First Use of Nuclear Weapons Act of 2019

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A bill to prohibit the conduct of a first-use nuclear strike absent a declaration of war by Congress.

The bill’s titles are written by its sponsor.

Sponsor and status

Edward “Ed” Markey

Sponsor. Junior Senator for Massachusetts. Democrat.

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Last Updated: Jan 24, 2019
Length: 3 pages
Jan 24, 2019
116th Congress (2019–2021)

Introduced on Jan 24, 2019

This bill is in the first stage of the legislative process. It was introduced into Congress on January 24, 2019. It will typically be considered by committee next before it is possibly sent on to the House or Senate as a whole.

3% chance of being enacted according to Skopos Labs (details)

Position statements

What legislators are saying

sen Markey rep lieu reintroduce bill to limit president’s ability to launch nuclear first strike
    — Sen. Edward “Ed” Markey [D-MA] (Sponsor) on Jan 29, 2019

Sen. Cruz on Supreme Court: Judging Is Not a Game
    — Sen. Ted Cruz [R-TX] on Jun 18, 2020

Thune: Democrats Threaten to Change 200-Year-Old Senate Practice for Political Gain
    — Sen. John Thune [R-SD] on Sep 15, 2020

More statements at ProPublica Represent...

What stakeholders are saying

Sisters of St. Francis, Clinton, Iowa We, the Sisters of St. Francis of Clinton, Iowa, Associates and Sojourners, oppose the continued maintenance, research, development, and threatened use of the United States arsenal of nuclear weapons.We call on our government to fulfill our commitments to nuclear disarmament as ...


Jan 24, 2019

Bills and resolutions are referred to committees which debate the bill before possibly sending it on to the whole chamber.

If this bill has further action, the following steps may occur next:
Passed Committee

Passed Senate

Passed House

Signed by the President

S. 200 is a bill in the United States Congress.

A bill must be passed by both the House and Senate in identical form and then be signed by the President to become law.

Bills numbers restart every two years. That means there are other bills with the number S. 200. This is the one from the 116th Congress.

How to cite this information.

We recommend the following MLA-formatted citation when using the information you see here in academic work:

“S. 200 — 116th Congress: Restricting First Use of Nuclear Weapons Act of 2019.” 2019. October 22, 2020 <>

Where is this information from?

GovTrack automatically collects legislative information from a variety of governmental and non-governmental sources. This page is sourced primarily from, the official portal of the United States Congress. is generally updated one day after events occur, and so legislative activity shown here may be one day behind. Data via the congress project.