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S. 3705119th CongressCongress
Semiquincentennial Congressional Time Capsule Act
Sponsored by Sen. Thomas Tillis (R-NC) · 3 active : 1 Republican, 2 Democrats
Latest action: Became Public Law No: 119-79.
Where it standsBecame law7 senators score as swing votes
Became law
- Senate: passedJan 27, 2026
- House: passedFeb 9, 2026
- President: Signed into lawFeb 18, 2026
Summary
, via Congress.govSemiquincentennial Congressional Time Capsule Act
This act requires the Architect of the Capitol to create a congressional time capsule in honor of the 250
th
anniversary of the Declaration of Independence to be buried in the Capitol Visitor Center on or before July 4, 2026.
The time capsule shall contain a joint letter from congressional leadership (the Speaker and Minority Leader of the House of Representatives and the Majority and Minority Leaders of the Senate) and such other contents as they shall determine.
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The act directs the Architect of the Capitol to also install a plaque about the time capsule, subject to the approval of the Committee on House Administration of the House and the Committee on Rules and Administration of the Senate.
The time capsule shall be sealed until July 4, 2276. On that date, the Speaker of the House and the Senate Majority Leader shall present the time capsule to the 244th Congress.
How the projections held up
Each member’s recorded vote compared with their swing projection from before the vote. A member by voting against most of their own party.
House
Passed by voice vote or unanimous consent: no individual votes recorded.
Senate
Passed by voice vote or unanimous consent: no individual votes recorded.
Committees and subjects
Committees
No committee referrals recorded
Congress.gov lists no committee activity for this bill yet, so no member gets the gatekeeper bonus in swing-v3.
Subjects
- Congressional leadership
- Historical and cultural resources
- U.S. Capitol
- U.S. history
How the Senate breaks down
- 7Swing 70–100
- 61Middle 30–70
- 32Entrenched 0–30
Members fall into . All 100 senators have enough data to score.
Key players in the Senate
Ranked by swing score, 0–100 · swing-v2, directional: only movement toward the other party counts, so members who sit further from the center than their party no longer score as swing votes.
Bars show each input from 0 to 100: ideology gap, scorecard gap, . is the seat’s partisan lean, and shows how much of the input data a score has.
Similar past votes, Senate
Earlier behind swing-v3’s inputLoading similar votes
Cosponsors
3 activeShow all 3 cosponsors
- Alex Padilla (D-CA)
- Chuck Grassley (R-IA)
- Jeanne Shaheen (D-NH)
How the swing score works
Ideology gapHow far a member’s DW-NOMINATE voting score sits from their party’s median in the same chamber.
Scorecard gapHow far their Heritage Action and LCV ratings stray from their party’s average, using the groups’ votes on similar bills where available.
Cross-pressureHow strongly their district or state leans toward the other party, from our own computed partisan lean.
Similar votesHow often they voted against their own party on earlier roll calls about this bill or similar ones.
Committee bonusMembers of the committees handling the bill decide whether it moves, so they get a boost.
Cosponsor checkThe sponsor and active cosponsors have already committed, so they drop toward entrenched.
