r/AlternateHistory is a subreddit with 272k members. The community frequently discusses alternate history, what if, world war, cold war, and europe, and the most common flair used is 1900s, post 2000s, pre-1700s, 1700-1900s, and pop culture.
The original alternate history subreddit
Popular Topics in r/AlternateHistory
#1
Alternate History
132 posts
#2
What If
74 posts
#3
World War
15 posts
#4
Cold War
12 posts
#5
Europe
12 posts
#6
America
11 posts
#7
World
9 posts
#8
Axis Victory
7 posts
#9
Maps
7 posts
#10
World War Ii
6 posts
Flair Used in r/AlternateHistory
#1
1900s
: ""STOP Fascism!" Propaganda poster from the Democratic People's Republic of the Philippines"
31 posts
#2
Post 2000s
: "What if David Cameron didn’t resign as Prime Minister mid-term?"
28 posts
#3
Pre-1700s
: "What I imagine neanderthals would look like if they had survived in southern Siberia"
10 posts
#4
1700-1900s
: "What if the Anti-Masonic Party was more successful? Anti-Masonic America"
10 posts
#5
Pop culture
: "What if everything went PERFECT for Marvel Comics? Part Two"
4 posts
#6
Media Discussion
: "Scramble For Australia: What if Australia was colonized by European powers like how it happened with Africa"
3 posts
#7
ASB Sundays
: "What happens if Serbia was isekaid to another world?"
3 posts
#8
1800-2000s
: "What if the Federalist Party survived to the modern day?"
2 posts
#9
1970s
: "Canada Implemented Universal Basic Income"
1 post
#10
Post 2000: Alternate country
: "Parliamentary elections in a hypothetical independent Kurdistan"
1 post
Member Growth in r/AlternateHistory
Yearly
+34k members(14.3%)
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Last updated: October 1, 2026