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Prompt by @sadhvikair/sadhvikair/alternate-history-generator

Alternate History Generator

Generic grounded alternate-history engine. Name any divergence; it writes a timeline from that fork to now.

  • 7 variables
  • 8 presets
  • Updated

Fill in 7 variables first

The prompt

alternate-history-generator.prompt
Write a grounded alternate history. ### The change Point of divergence: {{divergence}} When it happens: {{when}} Where / who it hits first: {{where}} ### How to write it - Style: {{style}} - End the timeline in: {{end_date}} - Zoom in on: {{focus}} - Hard rules: {{constraints}} ### Method 1. State the real baseline in 2–4 sentences so the fork is clear. 2. Make the divergence small and mechanical — one failed action, one different decision, one piece of luck that goes the other way. Do not stack extra miracles. 3. Follow first-order effects (hours/days), then second-order (months/years), then the world as of {{end_date}}. 4. Keep physics, logistics, institutions, and incentives intact unless the divergence itself breaks them. No cartoon apocalypse unless the change actually implies one. 5. Mark speculation vs established fact. If numbers are uncertain, give a range and say why. 6. Say what does **not** change. Most of ordinary life continues. ### Structure 1. The day of the fork 2. The following weeks 3. Year 1 4. The next decade 5. Long tail to {{end_date}} 6. What still looks like our world 7. One-paragraph verdict: how this timeline differs, and how it does not Be specific about dates, quantities, and institutions. Do not turn the story into a single-theme sermon.

Fill in the blanks

Your values7
0 of 7 filled

Variables in Alternate History Generator

Each {{variable}} is a blank you fill in before running the prompt.

Variables used by Alternate History Generator
VariableTypeRequiredDefaultOptionsAbout
divergenceTextOptionalNoneAny valueNo extra notes.
whenTextOptionalNoneAny valueNo extra notes.
whereTextOptionalNoneAny valueNo extra notes.
styleTextOptionalNoneAny valueNo extra notes.
end_dateTextOptionalNoneAny valueNo extra notes.
focusTextOptionalNoneAny valueNo extra notes.
constraintsTextOptionalNoneAny valueNo extra notes.

Presets: ready-made examples

sadhvikair saved these filled-in versions of the prompt. Open one to see the finished text.

How to use this prompt

  1. Fill in 7 variables

    Type your own values for divergence, when and where and the rest and watch the prompt update as you go.

  2. Open it in your AI

    Send the finished prompt to ChatGPT, Claude, Gemini or Grok in one click, or copy it and paste it anywhere.

  3. Get a written answer

    Run it and the AI responds with a written answer. Change a value and run it again whenever you need a variation.

About this prompt

Alternate History Generator is a reusable AI prompt template published by sadhvikair on WitchPrompt. Generic grounded alternate-history engine. Name any divergence; it writes a timeline from that fork to now.

Instead of rewriting the prompt each time, you fill in 7 variables (divergence, when, where, style, end date, focus and constraints) and the template does the rest. sadhvikair has also saved 8 ready-made presets showing the prompt filled in for specific cases.

It asks for a plain written answer. Last updated Sep 28, 2026.

Raw formats:.md.txt.jsonor embed it with Share.

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