Continuing the series of reposted entries.
Another classic timeline adapted for your enjoyment. The gimmick of this one is Huey Long's electon in the 1930s following the assasination of FDR and a failed coup. Results of this include a rather more left-wing united States, an altered second world war and a quite different postwar world. Like the other old timelines I've adapted for maps, I've changed it quite a bit to factor in more divergence from OTL.
The death of Roosevelt led to a chaotic period in American politics, which was ended by Huey Long's election. First Long moved American politics drastically to the left, while internationally he had an aggressive foreign policy, which led to America's entering the war rather earlier than OTL. Japan stayed out of the second great war and focused on China. As a result of the early American involvement in the war against fascism, the war ended in 1942 with the soviet union gaining less of europe(Poland, Romania and the baltics) in the process.
The lessons not learned in a second world war that ended too early for the manhattan project to bear fruit ended up being learned in the Third Sino-Japanese war, AKA the "Thirty Minutes war" where 25 Japanese cities and 80 Chinese ones ended up being nuked on one summer day in 1967. China sustained massive damage, but was able to kick Japan out of it's coastal regions and force it back to Manchuria while Japan's militarists were overthrown in a bloody revolt.
The age of decolonization began with Japan's abrupt withdrawel from China following it's loss of a nuclear war with China and culminated in the early 1980s withdrawels of Britain and France from their african colonies. One key difference from OTL's post-colonial era lies in the fact that a rather more left-wing United States provided an potential ally and reduced the credibility of soviet communism as a model to follow. This has had the effect of causing states such as India, Mossadeq's Iran or even Vietnam to be pro-American. A second difference, is that unlike OTL Europe's states have retained more small posessions than OTL with areas like Belize, Madagascar and Kuwait all remaining ruled by the metropole.
In recent years, the biggest factors have been the retreat of soviet communism from the scene as the Soviet Union became more inwards-looking and internally troubled while the old postwar left-wing consensus has started to break down as the limits of keynesnian economics were reached even without an energy crisis in the 1970s to make it happen as early as OTL. The future appears to be quite complicated and old solutions aren't helping deal with ongoing concerns.
As is expected when America is the focus of the divergence, America is a rather different nation than OTL. It's a more socialistic and populist state than OTL. America has two parties which agree on a social safety net. Think a distinction between labor and pre-thatcher conservatives as the party differences between this world's republicans and democrats. This might change -- there are those Republican activists who argue for a smaller, less intrusive government and lower taxes. However, they're quite different from our tea partiers or even reaganites -- Think John Galt, hugh hefner and quite a few eugenically-minded "HBD" types. Nowadays, the United States has retreated from the far leftism of the days of Long and Wallace and is merely as socialistic as say OTL western Europe. Social issues are more similar to OTL -- a couple more states have gay marriage, the issue of legalizing marijuana for recreational has (narrowly) failed in a few referendums and the federal government withdrew from the question of medical marijuana back in 2006. The reason for this relative lag, is in part due to different party alignments with the other part being that politics on the national level or even in the big states turns more on economics than cultural issues.
The soviet union is an ethnic slavic military dictatorship that's slowly moving towards capitalism which has withdrawn from almost all of eastern europe, half of Ukraine and former Central Asia. With the lesson of the thirty minutes war, the soviet civil war of 1980-85 thankfully didn't end with nukes being used. The hardline socialists ended up with central asia while Andropov got half of ukraine as a consolation prize/bribe to accept Lebed's ascendency.
The European Community is largely similar to OTL, except with certain marginal differences. These include little things like the fact that the Kaiser was put back on the throne and Yugoslavia's survival to name a few. Then there are the less visible differences which include things like the fact that the extreme right or for that matter the conventional pre-war right wasn't discredited as much as OTL due to the fact that Nazi germany never managed to do more than ghettoization in this world. There are even neofascist parties or neofascist wings to more normal christian democratic or conservative parties. The European Community is a free trade and customs union zone that has various far right tendencies and approximantly zero turkish immigrants(they prefer immigrants from Latin America on grounds of common religion).
Since the soviet union imploded, The finlandized areas of Finland, hungary and czechslovakia ended up as European Community member states. Poland, rejected communism rather more thoroughly than OTL and now has an awkwards alliance with the United States which given Warsaw's less than democratic tendencies is sort of an embarassment. Eastern Europe is a zone of confusing power politics and geopolitical worries.
Latin America is largely similar to OTL, even if it's a bit more equal and a bit less democratic than OTL. Quite a few states are left-wing dominant party states on the model of OTL's PRI Mexico. More equality(and thus customer base to sell to) has been counteracted by less growth due to regulatory-induced stagnation. An America which pushes democratic socialism still has relatively little tact or popularity in the region. This has led to the ironic effect of creating neofascist urban guerilla groups in places like Chile or Cuba.
Africa largely resembles OTL, even if the borders are a bit different and the region is slightly more organized due to having more time before decolonization. On the upside: Somalia has avoided anarchy and Nigeria got split in two from day one since the British ruled it long enough to know that having the christian and animist south in the same nation as the muslim north was... unwise. On the downside, the West African Federation is a corrupt left-wing kleptocracy that's predicted to fall into civil war.
The Republic of China is a xenophobic, right-wing dictatorship that resembles the People's Republic of China in our early 1990s with the difference being that China has trouble from communist urban guerillas in it's cities. A less globalized world combined with Beijing's military build-up that it's done to ward off potential threats from Japan or the soviet union have slowed growth along with cleaning up the damage from the thirty minutes war back in 1967.
The Empire of Japan-Korea has recovered from the thirty minutes war and is quite a modern place. However, it's politically chaotic, more left-wing and by now very decentralized with the biggest sign of this being seperate Korean and Taiwanese Diets along with self-identifying as a dual monarchy. Unsurprisingly, there are less pressures against doing archaeological research into ancient japanese history since the findings which would be embarassing in OTL, could in this world be used for propaganda point(Korean settlers bringing agriculture and helping create Japan is obviously used as an argument for the inherent unity of the two peoples) so people know more about ancient Japan.
A weaker cold war, delayed Japanese dynamism, shorter second world war and more regulated American economy means that this world is around 5 years behind in civilian technology and about the same in military technology. Instead of the initial burst of enthusiasm for the internet or the massive shift after 2004-5 in OTL, the world has seen a more gradual rise of the internet. Exceptions to the general lag include materials science, medicine and biotechnology -- no post-WWII revulsion against eugenics means that biotech has gotten enough funding to avoid lagging compared to OTL. However, aerospace is quite behind with the first sattelite not being launched until 1973 and nobody has landed on the moon yet. The only positive side effect of much less exploration of space, is that old planetary romance style SF lasted a generation longer than OTL.
The fact that there have been more potential examples for types of socialism to implement has meant that for third world nations there are more at least nominally left-wing or at least secular nationalist movements and fewer traditionalists on the model of OTL's islamist movement. Our world's muslim world would seem quite religious and reactionary to a visitor from this world's middle east.
Due to butterflies involving Nazi Germany not managing to go beyond ghettoization to outright genocide before the end of the war, anti-semitism is more mainstream in western nations than OTL, with many more conservative nations having a de facto glass ceiling for jewish people well into the late 20th century. Also, this has a big side effect in the form of no establishment of Israel.
Less pushes for consumerism combined with an America that from the 30s onwards opted for urbanization means that peak oil or other resource crunches won't be a concern for at least a generation from now.
The example of the post-Long United States has led to advanced nations continuing the early 20th century trend towards more leisure time. The four day, 7 hours a day full-time workweek and three months of paid vacation is normal all over the industrialized world. This has led to a mix of positive consequences like less stress, but on the other hand to a bit more decadence -- the 2000s saw the beginning of a quite florid and lively youth culture -- The Neo-Beatnik is a common sight in many of the more trendy world cities.