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Show HN: Interactive Timeline of US Legislation (1975–Present)

https://www.chamberzero.com/
2•itta_e_ta•1h ago
Hey all,

This is a project I’ve been working on over the last year.

In addition to combining data from multiple federal sources into a single UI, I built a 2,500+ rule regex-based parser / pseudo state machine that classifies every legislative action into discrete states and stages. This makes it possible to generate a day-by-day timeline of what happened to every bill over the last 50 years, and a graph showing how many (and which) bills occupy each major legislative state at any point in time. In total, 1,555,069 actions are parsed into 1,157 unique enums across 41 stages.

I also fully re-parsed the official bill text XML into a modern format and recreated the large bill-text XLS styling system in CSS, which dramatically improves load times and (to my knowledge) is the first near-complete recreation of that XLS styling in CSS.

Hope you find it interesting :)

Comments

slwvx•1h ago
It is interesting!

Is the data not as easy to parse prior to 1975? Or why did you stop there?

What else would you like to do with this? Are there other filters you would like to add? Do you like the UI?

itta_e_ta•55m ago
Thank you! Bill data from the Congressional API stops at around 1972 (this site stopping at 1975 over 1972 is somewhat arbitrary). Much of our modern visibility into Congress (e.g. C-SPAN and detailed publication of bill actions) emerged as a fallout of Watergate. Before that you can sometimes reverse engineer bills from what ultimately became law, but metadata / action details are sparse. Some earlier Congresses do have actions available, and coverage is gradually being expanded as far as I can tell.

I’d like to have full coverage eventually. A complete Executive Order history exists via the UCSB American Presidency Project, but for now I’ve only uploaded what’s available from the Federal Register.

My next focus is adding donations and net-worth data to legislator pages. After that I’d like to add some form of commenting and voting to make the site more interactive around currently in progress legislation.

This is actually my second attempt at the UI :) I like it, but I’m definitely biased and have lost track of what may be confusing to new users. Open to any feedback!

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