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Opium The Longest Hangover

Substacknewsletter · by Opium The Longest Hangover · English

Opium The Longest Hangover

Investigate Visit
Audience
Not shown publicly
We show a dash rather than guess
Observed frequency
Every two weeks
From 4 posts indexed in the last 90 days
Last post
Oct 18, 2026
28 days ago
Likely audience
history readers
Inferred from post content

Opium The Longest Hangover is a Substack newsletter by Opium The Longest Hangover covering animal behavior, colonial history and opium trade. NewsletterFIT indexed 4 posts from it in the last 90 days, most recently on Oct 18, 2026.

Topics

Recent posts

  • Richard Walmesley…
  • THE BUFFALOES…
  • FOOD GLORIOUS…
  • THE RECOVERY…
  • Opium –…

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.

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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 12, 2026 · How NewsletterFIT collects and labels data