Questions tagged [alternate-history]

Fiction set in a world whose history branches off from our own, which may or may not have science-fictional or fantasy elements

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22
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2answers
2k views

Trying to Remember a Book that explored evolution of Dinosaurs to intelligence and then encountering humans

Many, many years ago, I read a book where dinosaurs were assumed to have suvived the K-T event (or it never happened), and they evolved to intelligent species that used not only language (which ...
35
votes
15answers
14k views

What happens to the second Marty at the end of Back to the Future?

In Back to the Future (the original movie), Marty comes back from 1955 10 mins early to prevent Doc from being shot (which he fails at). He then rolls up to the Lone Pine Mall and sees himself hit 88 ...
51
votes
5answers
22k views

Back To The Future Flaw - why don't Marty's parents recognize him in the new future?

I believe I've spotted a flaw, and I'd like to know if other fans have noticed it too. In the first BTTF, Marty McFly travels back to 1955 (his parents' high school era). He meets his mother and she ...
7
votes
1answer
272 views

Explorers trying to cross an impassable Pacific ocean, which has caused a different WWII outcome

I'm looking for the name of a short story (probably from the 2000s) set in a world where the Pacific ocean appears to be impossible to cross (all who attempt to do so disappear). History seems to be ...
7
votes
1answer
2k views

Title of a sci-fi book with time-travel and sentient dinosaurs

I'm trying to remember the title of a book I read approximately 15 years ago. My memory of the plot is a bit hazy, but it centered around time-travel. If I recall correctly, in the story people ...
5
votes
2answers
959 views

What are the human cultures depicted in the Valerian opening montage?

Relating to this video: and this question: Why this year in Valerian?, @Valorum provided this answer which explains the context and thinking In particular, In ...
6
votes
1answer
225 views

Short story about an alternate World War One lasting 20 years

This was a story I read a long time ago, I believe from Asimov's magazine in the early 1980s (1982?), about a pilot or soldier in an alternate World War I that lasted much longer than it did in our ...
9
votes
1answer
1k views

Lizard Men from Space Invade Earth

Sometime around 2005 to 2007 I read a book that told the story of an alternate history Earth that took place around World War 2. This book was part of a series but not the first or last book (I only ...
6
votes
2answers
623 views

From whence comes Tolkien's history of the Mûmak (Oliphaunt) and its demise?

It is rather clear from the prologue to The Fellowship of the Ring, specifically the "Note on the Shire Records," that the Lord of the Rings account of the third age comes from information primarily ...
6
votes
1answer
136 views

Story identification: Time travel to disrupt Columbus

I'm trying to recall the name of a novel that was set in a dystopian future with time travel. A group sets out to disrupt Columbus and change Aztec culture to be more resistant to European invasion ...
3
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1answer
350 views

Why this year in Valerian?

Valerian and the City of a Thousand Planets starts with this awesome montage showing humanity's progress through a series of peaceful handshakes as vessels and space ...