this post was submitted on 21 Jan 2026
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Asklemmy

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[–] manuallybreathing@lemmy.ml 2 points 3 hours ago

Imperialism, but I don't know who to stop, make Europeans contract a virus from the Americas, and not the other way around maybe

that or everything relating to the second world war, which would maybe have been averted if there was no christian conquest

where do you even start?

[–] CrabAndBroom@lemmy.ml 3 points 5 hours ago

The extinction of the Neanderthals, or any of the other extinct human-like species. It'd be so fascinating to live in a world where there was another species that was close to us in intelligence but also so different. We'd be awful to them though.

[–] zemon@lemmy.ml 2 points 4 hours ago

Development of highly centralized, aggressive, megalomaniac, evil religions (like Christianity). Imagine how different the world would be if people's religios view could have been free. There wouldn't have been dark ages, we could be exploring neighboring systems by now. At least live on the Moon, even this would be huge.

[–] arthur@lemmy.zip 5 points 12 hours ago (1 children)

The expansion of Europe's reach over the world in the 1500s and 1600s. Or at least the transatlantic slave trade. I would not exist, but a LOT of suffering would be prevented.

[–] GenZIsNotLazy@lemmy.ml 2 points 10 hours ago (1 children)

Which I believe would then create a paradox, because who's going to stop the transatlantic slave trade if you don't exist?

[–] arthur@lemmy.zip 1 points 7 hours ago

That depends on the kind of time travel we are dealing with. And as no information about that was provided... ¯⁠\⁠_⁠(⁠ツ⁠)⁠_⁠/⁠¯

[–] kaulquappus@feddit.org 4 points 13 hours ago (1 children)

I don't remember the details, but wasn't there a massive genetic bottleneck event in early (modern?) human prehistory?

Could be fun if it didn't happen and we were more genetically diverse!

[–] arthur@lemmy.zip 6 points 12 hours ago (3 children)

Last time I heard about it, it was being reviewed cause the genetic diversity in Africa is too high to support that claim. The bottleneck may be related only to a part of the human population.

[–] marcie@lemmy.ml 1 points 7 hours ago* (last edited 7 hours ago)

Last time I heard about it, it was being reviewed cause the genetic diversity in Africa is too high to support that claim. The bottleneck may be related only to a part of the human population.

well, theres also the argument that other species of genus homo gave us more genetic diversity

[–] kaulquappus@feddit.org 2 points 12 hours ago

Ah well, good to hear that at least, and never mind then.

[–] Maeve@kbin.earth 1 points 12 hours ago
[–] NigelFrobisher@aussie.zone 1 points 11 hours ago

David Bowie’s death.

[–] apotheotic@beehaw.org 2 points 15 hours ago

I do wonder what might have come of humanity's endeavours in medicine and science generally sans the industrial revolution

[–] Flauschige_Lemmata@lemmy.world 5 points 19 hours ago (1 children)

Me going to band practice last week and getting sick.

Any further back and the unintended consequences would be too detrimental

[–] kaulquappus@feddit.org 2 points 13 hours ago

Most sensible answer yet (maybe not the most exciting one though ;) )

Sorry you got sick!

[–] YiddishMcSquidish@lemmy.today 1 points 15 hours ago

I'd make sure Thomas Edison's parents never met.

[–] fyrilsol@kbin.melroy.org 6 points 23 hours ago (3 children)

9/11

I would've wanted to see what America today would become if that hadn't happened. America had built up a lot of its reputation off the back of WW2 and was seen still as a good ally. George W Bush would not have become president for a second term because of how bad he was in office. American citizens would not be subjected to governmental survelliance to the extent it was after 9/11. And we wouldn't have a recession that cratered the economy.

[–] HiddenLayer555@lemmy.ml 1 points 6 hours ago

Would have been some other date, some other terrorists, some other victims.

US literally funded the terrorists and is surprised when they turn on them the moment the funding stops.

[–] Cowbee@lemmy.ml 11 points 22 hours ago

The US Empire grew to imperial dominance post-WWII. It was seen as a good ally only to the west. 9/11 was the excuse, not the cause of the empire's genocide in Iraq and subsequent plunder, and the recession wasn't caused by 9/11 either, but was a natural element of capitalism's regular boom/bust cycle.

With or without 9/11, the US Empire would still be a gradually dying empire hated by the world.

[–] BrainInABox@lemmy.ml 7 points 21 hours ago

America had already spent half a century brutalizing and terrorizing the global South exactly as it did to Iraq and Afghanistan. The idea that they were seen as good is pure revisionism

[–] darklamer@lemmy.dbzer0.com 13 points 1 day ago (1 children)

I'd erase the bronze age collapse, my imagination runs wild thinking about what could have been if the development of civilization had continued unbroken.

[–] Luizamarns@lemmy.today 5 points 1 day ago (1 children)

Same here the Bronze Age collapse feels like one of those massive reset points. It’s wild to imagine how far civilization might’ve advanced if that momentum hadn’t been lost.

[–] darklamer@lemmy.dbzer0.com 4 points 17 hours ago

Imagine, human civilization might have been a thousand years ahead in mathematics, who knows, the mind boggles.

[–] HiddenLayer555@lemmy.ml 18 points 1 day ago* (last edited 1 day ago) (1 children)

When that nun destroyed Archimedes' math book that had a bunch of pre-calculus stuff in it that wouldn't be discovered again for centuries.

Imagine if that book had led to the development of calculus, one of the most important tools in science for modeling the universe, much earlier than Newton and Leibniz.

[–] Luizamarns@lemmy.today 8 points 1 day ago

That loss is mind-blowing to think about. If those ideas had survived and been built on, math and science could’ve jumped ahead centuries calculus arriving that early would’ve completely reshaped how we understand the universe.

[–] AbouBenAdhem@lemmy.world 45 points 1 day ago (3 children)

Columbus’ return to Spain.

His failure to return discourages further attempts for a while; and when contact is eventually made, it isn’t Spain in the immediate aftermath of the Reconquista looking to continue its momentum.

Meanwhile, the New World is made aware of Europe and perhaps acquires some resistance to Old World diseases before any larger confrontations.

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[–] RizzRustbolt@lemmy.world 7 points 1 day ago (1 children)

Bill Clinton fully admits to smoking weed in college.

[–] Luizamarns@lemmy.today 3 points 1 day ago

Yeah, the infamous “I didn’t inhale” era hard to imagine that even being controversial today.

[–] glimmer_twin@hexbear.net 25 points 1 day ago (2 children)

Failure of the German revolution. Because that has fucked us for 100 years.

[–] Twongo@lemmy.ml 2 points 22 hours ago

a germany under liebknecht and luxemburg... one can dream

[–] Luizamarns@lemmy.today 13 points 1 day ago

Yeah, the German Revolution’s failure really set the stage for a century of chaos.

[–] Rom@hexbear.net 20 points 1 day ago (2 children)

The time Capitalism was invented by John Capital

[–] fyrilsol@kbin.melroy.org 2 points 23 hours ago (1 children)

There were no individual that invented capitalism. However, the closest individual that likely is the perpetrator to modern stage capitalism is a scottish philosopher Adam Smith.

So, I would say him.

I'd also include Henry Ford, who pushed for the idea of 40 hour work weeks and 5 days a week.

[–] Cowbee@lemmy.ml 10 points 22 hours ago

Adam Smith was a political economist examining capitalism (and made several errors along the way that Marx corrected, such as utterly confusing fixed vs. circulating capital). Ford also only "pushed" for 40 hour, 5 day work weeks because worker organizing was fighting for it.

The creation of capitalism wasn't from an idea about a new system, but from the rise of inventions like the steam engine and industrial production leading to commodity production becoming the basis of production and distribution, as compared to more agrarian production and small manufacturers.

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[–] mufasio@lemmy.ml 18 points 1 day ago (1 children)

The collapse of the Soviet Union

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[–] user224@lemmy.sdf.org 19 points 1 day ago (3 children)

The start.
Pretty obvious.

[–] Soulphite@reddthat.com 38 points 1 day ago (1 children)

In the beginning the Universe was created. This has made a lot of people very angry and been widely regarded as a bad move.

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[–] anaesidemus@hexbear.net 17 points 1 day ago (1 children)
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[–] BassTurd@lemmy.world 10 points 1 day ago (7 children)

There have been many horrible events, but recency bias, I would be interested in what if Hitler never came to power, there was no WWII, and no Holocaust. Would his failure to forge a path to power have prevented many of today's happenings and not put the US as the top world power for decades, or would we still have ended up here? Israel and Palestine would likely be different, nukes wouldn't have been dropped, and maybe the Soviet union wouldn't have collapsed. I'm not a history guy, so maybe all of this is off base. Again, certainly worse things in history that if changed would have reshaped the world, but this is definitely not a small thing affecting us today.

[–] arthur@lemmy.zip 2 points 12 hours ago

My guy, many of the Hitler policies was inspired by the southern US policies against the black population. Sometimes I wonder the nazi rise and fall didn't prevent something like that happening in the US in the XX century.

[–] daannii@lemmy.world 6 points 1 day ago (1 children)

I think we learn from our mistakes , but only for a short time. And then we repeat them again. Seems to take about 70 years or roughly the time period for most of the population to be replaced with people who never saw the reality of that history.

The whole world was moving towards fascism when Hitler came. That's why he was able to run with it.

If not him, someone else. If not Germany. Somewhere else. Fascism is inevitable when we don't teach history properly.

[–] BassTurd@lemmy.world 6 points 1 day ago

Unfortunately the decision makers / lawmakers are a slimy bunch that are good at propaganda.

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[–] DavidDoesLemmy@aussie.zone 4 points 1 day ago (1 children)

If we had won the emu war, or it never happened in the first place and we came to a diplomatic solution.

[–] Luizamarns@lemmy.today 3 points 1 day ago

Truly the timeline where humanity proves it can solve even its greatest conflicts peacefully even with emus.

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