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openbookhistoryorg

Substacknewsletter · by openbookhistoryorg

Investigate Visit
Audience
Not shown publicly
We show a dash rather than guess
Observed frequency
Every two weeks
From 5 posts indexed in the last 90 days
Last post
Oct 29, 2026
15 days ago
Likely audience
U.S. political observers
Inferred from post content

openbookhistoryorg is a Substack newsletter by openbookhistoryorg covering 2026 U.S. midterm elections, U.S. Senate races and House gerrymandering. NewsletterFIT indexed 5 posts from it in the last 90 days, most recently on Oct 29, 2026.

Topics

Recent posts

  • Key races…
  • MLB salaries:…
  • The two…
  • Video: The…
  • The U.S.…

Sponsors detected

No sponsored posts detected in the last 180 days of indexed posts.

Detected automatically from posts marked as sponsored. Detection can miss or misread placements.

See the full picture on openbookhistoryorg

Subscriber momentum over time, every detected sponsor with the source post, companies and people it mentions, guests, and an alert when any of it changes.

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Compiled from public pages · refreshed Nov 7, 2026 · How NewsletterFIT collects and labels data