Ten nations on Earth in 4 million years later. In the post-Chernobylian era after Anthropocene era, origin is tragic and dark, it's bloody, barbaric, brutal, violent, atrocious, extreme scenario caused by Utopian Heaven of Dolphinia:
1. Orwellian World
2. Ruskovia
3. East African Republic: Democratic nation between African Central River and Indian Ocean, part of alliance Earthship.
4. The Chinaship
5. Corporation of Globalism: Woke Orwellian megacorporation.
6. Islamic Terrorist State: Area is North Africa and West Asia.
7. Empire of Crows: All population of empire are crows, part of alliance Earthship.
8. Esperantico: Democratic nation located on South America near Antarctica, part of alliance Earthship.
9. Antarctica: Beacon of hope that save humanity and democracy, founder of alliance named Earthship.
10. Tiaowiang: Primitive nation, all population of Tiaowiang are cavemen evolved from monkeys, part of alliance Earthship.
???. Utopian Heaven of Dolphinia: Enemy nation from another planet, all population of Utopian Heaven of Dolphinia are extraterrestrial sophont dolphins called dolphites. Real reason of Chernobylian era begins, Utopian Heaven of Dolphinia that causes humanity and invaded Earth.

Languages and religions of ten nations: Orwellian World (Language is Newspeak and religion is Big Brotherism), Ruskovia (Russian speakers and religion is Orthodox Christianity), East African Republic (Religious coexistence. Languages are Swahili, English, Arabic, Somali), The Chinaship (Mandarin Chinese speakers. Religions are Buddhism, Taoism, Confucianism), Corporation of Globalism (Languages are English, Tik Tokish, Newspeak, Esperanto. Religions are atheism, Big Brotherism, Tik Tokism, Fortnitism, Minecraftism), Islamic Terrorist State (Arabic speakers, Islam is dominant religion), Empire of Crows (Languageis Crowish, made of curved and necromantic scripts. Cultist religion of gothic voids and astronomical darkness is Corvuism), Esperantico (Most atheist and Esperanto speakers), Antarctica (Most atheist and English speakers), Tiaowiang (Tiaowiangnese is language made of emoji scripts, primitive religion is Xichengism)

Ethnicities and race of ten nations: Orwellian World (It's diverse), Ruskovia, East African Republic, The China ship, Corporation of Globalism (It's diverse), Islamic Terrorist State, Empire of Crows (Empire is ethnically equal. Known ethnicities are common ravens, carrion crows, hooded crows, rooks, Australian ravens, jackdaws), Esperantico (It's diverse), Antarctica (It's diverse), Tiaowiang (They are cavemen evolved front monkeys)

History of pre-Chernobylian era, tragic and dark origin:
2030 - Great Reset
2045 - Technological singularity
2070
2090 - Humanity give potential warning of barbaric empire that invade Earth
2100 - Mysterious nation of extraterrestrial sophont dolphins, named dolphites, came from another planet, debating is so highly controversial.
2130 - Utopian Heaven of Dolphinia invaded Earth and barbaric apocalypse begin.
2200 - Anthropocene era is over, Chernobylian era is beginning, Earth become new Chernobyl. Earth become Venus-like planet is blacker as exoplanet TrES-2b.

History of post-Chernobylian era, tragic and dark origin:
2300 - Utopian Heaven of Dolphinia has tormented humanity during Chernobylian era.
100000
1000000 - Few million years later, intelligent crows and Tiaowiangneses have emerged.
2000000
3000000
3999800 - 8 nations are formed by humans, Tiaowiangneses formed new nation named Tiaowiang, intelligent crows formed new nation named Empire of Crows.
3999810 - Antarctica, beacon of hope, invented new alliance named Earthship, Esperantico joined Earthship.
3999880 - East African Republic, Empire of Crows, Tiaowiang joined Earthship together.
4000000 - End of Chernobylian era, post-Chernobylian era.

Continental planet named Dolphinia. Sophont magical species named dolphite, appearance resembles dolphin, they can swim in water and fly in air or vacuum, they don't need breathe. They are enemy of humanity, human scientists forgot gray aliens, human scientists believe apocalypse of Earth caused by dolphites.

Traditional rules on Dolphinia. Family highly valued. Marriage must be one female adult and one male adult, they must have one spouse than more spouses, polygamy is not permissible, same sex/different age/different species relationship is not allowed, age of consent is adult. Individuality will be deindividualize into unity and harmony with traditional values. Magical vaccines will cure they who violated traditional rules into pure loyal and prevent rebellion, and also cure mental/physical disabilities. Color of dolphin is essential to tradition, magical shampoo or soap will clean or bleach dolphite's skin, help to repairing DNAs of dolphite.

Religion named Dolphuanity on Dolphinia, dolphites worship god named Dolphus, it resembles blend Islam of Christianity, follow traditional rules, temple is Dolphuan church, two afterlifes are heaven and hell. Seven deadly sins will be refused, crucial to harmoniously balance economy, homeless will be helped with charity.

Galactic theocratic empire named Utopian Heaven of Dolphinia, it's truly orwellian utopia of happiness and harmony ruled by benevolent leader named Dolphancis.