Scenario: Alien Invasion of the 3rd and 4th millennia

I made it start in 2100, as it is a bit far future year from outdating.

Chronology

Backstory

2018 - The aliens were born in an antimatter universe.

2020 - The aliens take over the first planet.

2025 - The aliens take over the 30th planet.

2048 - The aliens take over the 60th planet.

2050 - The aliens take over the 180th planet.

2075 - The aliens take over the 365th planet.

2080 - The aliens take over the 730th planet.

2090 - The aliens watch a footage of the Earth from space, and start their long time plan.

2095 - The aliens formulate their long time plan: Taking over the 800th planet. But before they can do that, they need to take over another planet too.

2099 - The aliens invent a wormhole gun, which can spawn wormholes. They use it on the surface of the Earth.

The wormhole

February 2100 - A wormhole appears on the surface of the Earth, and sucks a plane (en route from Cairo to Addis Ababa) containing the Ethiopian general and president, to prove their power. Five gigantic alien ships (each has 2,000,000,000 aliens) come out of the wormhole.

The invasion

May 2100 - Tens of millions of aliens storm all of Ethiopia, and brainwash the entire country.

June 2100 - Emergency channels from South Africa, Egypt, and Saudi Arabia are activated. The US, UK, and Russian presidents are evacuated to bunkers in Mars.

November 2100 - The Sudanese and South Sudanese mention the aliens, so they brainwash the two countries.

2101 - The aliens invent something which can dry up seas/lakes/rivers. Meanwhile, these following countries are brainwashed by the aliens: Kenya, Uganda, Rwanda, Burundi, Tanzania, Mozambique, Malawi, Zimbabwe, Botswana, South Africa, Lesotho, and Eswatini. 1.5 billion people evacuated to Mars.

February 2102 - The aliens dry up the Yemen/Eritrea Strait. Somalia, Eritrea, Djibouti, Yemen and UAE are brainwashed by the aliens. Shocked at the disappearance of UAE, Saudi Arabia, Oman, Qatar, Bahrain, and Kuwait all evacuate to Mars. Iraq manages to come to the planet, too, as they are gonna miss Earth.

July 2102 - The Middle East Gulf countries (all but Iraq) encounter their long time friend, USA, who came there to research. They, along with UK, team up to make Mars a habitable planet.

2103 - The lands of Saudi Arabia, Bahrain, and Qatar are taken by the aliens, and brainwash Israel, Palestine, and Jordan, as they mentioned them.

April 2104 - The land of Oman is taken by the aliens.

May 2104 - The Egyptians send a message to the Libyans by using telepathy, that mentioning the aliens will mean getting brainwashed.

August 2104 - These following countries (DR Congo, Angola, Namibia, and Zambia) are brainwashed, although they didn't mention them.

2105 - Scientists from Area 51 make a device, which can detect the location of the aliens, and can also prevent mentions of them from summoning them.

2106 - The aliens and ISIS make an alliance.

2108 - While the lands of Iraq and Kuwait + the countries of Syria, Lebanon, and Kurdistan are taken/brainwashed by the ISIS, Iran, Afghanistan, and Pakistan are brainwashed by the aliens. This turns the aliens into maniacs. Turkey and India evacuate to Mars.

2109 - Egypt and Libya evacuate to Mars.

June 2110 - The process of terraforming Mars begins.

November 2110 - The land of India is taken by the aliens.

2112 - Nepal, Bhutan, Bangladesh, Myanmar, and Philippines are brainwashed. China, Hong Kong, Thailand, Malaysia, Singapore, and Indonesia evacuate to Mars.

2115 - Taiwan is brainwashed. Japan evacuates to Mars.

2116 - The device from Area 51 tells the scientists that the aliens are using hypnotism for brainwashing humanity.

2118 - Mars is fully terraformed.

2119 - Australia evacuates to Mars.

2120 - The rest of mainland Africa is taken over (in the case of Egypt and Libya)/brainwashed (in the case of the other ones).

2124 - The land of mainland Australia is taken over. Vietnam is brainwashed. New Zealand evacuates to Mars.

2128 - The land of Japan is taken over.

2132 - The land of Indonesia is taken. Also, Brunei and Timor Leste are brainwashed.

2133 - All the EU members merge into one powerful country.

2136 - The land of Turkey is taken by ISIS. Albania, North Macedonia, Georgia, Armenia, and Azerbaijan are brainwashed. UK, Russia, European Union, Switzerland, Norway, and Ukraine evacuate to Mars.

2140 - The ISIS dries up the Ionian Sea, turning the Adriatic Sea into a lake. This allows them to take the mainland Italy, San Marino, and Vatican City.

2144 - The aliens cause a mega giant sand storm on London, destroying the city. They then dry up the southern North Sea, and take the lands of UK, Netherlands, Germany, Austria, Switzerland, and Liechtenstein.

2148 - The lands of China and Hong Kong is taken by the aliens. Mongolia, Laos, and Macau are brainwashed.

2150 - Unified Korea evacuates to Mars.

2152 - The island of Tasmania is taken.

2156 - Papua New Guinea is brainwashed.

2160 - The lands of Russia and Thailand are taken. Kazakhstan, Turkmenistan, Uzbekistan, Kyrgyzstan, Tajikistan, and Sri Lanka are brainwashed.

2164 - The Bering Sea is dried up, and Alaska is brainwashed. Canada, USA, and Mexico evacuate to Mars. The USA also builds an indestructible wall around New Mexico, Arizona, and Las Vegas.

2168 - The lands of Hungary, Romania, Moldova, Bulgaria, Slovenia, and Croatia are taken. Bosnia & Herzegovina, Serbia, Montenegro, and Kosovo are brainwashed.

2172 - The lands of France, Monaco, Poland, Czechia, Slovakia, and Ukraine are taken. Belarus is brainwashed.

2176 - The lands of Spain, Portugal, Catalonia, Gibraltar, and Andorra are taken.

2180 - The islands of Corsica, Sardinia, and Sicily are taken.

2181 - The lands of Canada and most of USA are taken.

2182 - Alaska and Portugal become free of the aliens' brainwashing. They evacuate to Mars.

2184 - The aliens become so powerful that the Anti-Alien Wall falls apart in Las Vegas. New Mexico and Arizona prepare for evacuation. The land of Mexico is taken.

2188 - Central America and all of South America (except for Argentina) are brainwashed. Argentina evacuates to Mars.

2192 - The lands of Denmark, Sweden, Norway, and Finland are taken.

2196 - The island of Ireland is taken.

2200 - The aliens celebrate their 100th anniversary by taking the lands of the Baltic countries.

2204 - Cambodia is brainwashed.

2208 - The land of Argentina is taken.

2210 - The aliens become tired of taking over the planet, so they make a space station around the Moon. Their comeback will be 2600.

2250 - A few of the aliens are considered de facto neutralized.

2470 - Yellowstone erupts. 32,768 aliens are killed and 65,536 are injured.

2500 - Humanity reaches a type I civilization on the Kardashev scale.

2600 - The aliens make their comeback, by taking the lands of Malta.

2602 - Deorbitation of the Lunar Space Station.

2604 - The Caribbean Islands become brainwashed.

2608 - All ice in Greenland melts due to global warming. Sea levels rise to 6m.

2616 - Solomon Islands, Vanuatu, Fiji, and Samoa are brainwashed.

2750 - The Hawaiian Islands are taken.

2900 - Madagascar is brainwashed.

2960 - The Faroe Islands are brainwashed.

2985 - The Bahamas is brainwashed.

April 2987 - Iceland is brainwashed.

3000 - One of the alien ships turns against the others, and becomes allies with the Earthlings and Martians. Tons of them are protective of Mars from any worldwide disaster.

3018 - Humanity reaches a type II civilization on the Kardashev scale.

3100 - The rest of the above mentioned aliens build a planet in the Alpha Centauri System so they could stay.

3275 - The lands of New Zealand is taken.

3420 - Madeira is brainwashed.

3439 - Azores is brainwashed.

3462 - Cape Verde is brainwashed.

3474 - The island of Annobon is brainwashed.

3485 - Sao Tome and Principe is brainwashed.

3516 - The island of Saint Helena is brainwashed.

3550 - The Chatham Islands are taken.

3604 - Svalbard is brainwashed.

3609 - The Bermuda Triangle ceases to exist.

3615 - The island of Jan Mayen is brainwashed.

3638 - Mauritius drowns, due to rising sea levels.

3642 - The island of Reunion drowns, due to rising sea levels.

3643 - Tristan da Cunha, the most remote island on Earth, is brainwashed.

3690 - The Falkland Islands are brainwashed.

3691 - The island of Rodrigues drowns, due to rising sea levels.

3696 - Sea levels rise to 10m.

3701 - Ascension Island is brainwashed.

3770 - Seychelles drowns, due to rising sea levels.

3772 - The Kerguelen Islands are brainwashed.

3775 - South Georgia and the South Sandwich Islands are brainwashed.

3787 - Uranus is taken over by the aliens.

3788 - Lord Howe Island is brainwashed.

3799 - The Prince Edward Islands drown, due to rising sea levels.

3800 - On Earth, humanity reaches the climax.

3818 - The South Shetland Islands drown, due to rising sea levels.

3819 - Macquarie Island drowns, due to rising sea levels.

3820 - All ice on West Antarctica melts.

3821 - South Orkney Islands and Crozet Islands drown, due to rising sea levels.

3895 - The rest of humanity on Earth surrenders and accepts the aliens as the new rulers of the Earth.

The aftermath

April 3920 - The asteroid called Apophis collides with Earth, causing the aliens to share the same fate as dinosaurs 65 million years ago.

3925 - Some of humanity returns to Earth. The rebuilding stage starts.

3945 - The Earth is fully rebuilt and a new world starts.

3950 - A white hole brings back the following countries: Brazil, UAE, Algeria, Kazakhstan, Pakistan, Philippines, and Taiwan.

3975 - Humanity is starting to become immortal.

• To be continued in this page.

Fates of current countries and dependencies (as of 3900)

Note: The two capital letters are the ISO 3166 codes of the countries and dependencies.

Legend

• Bold - Brainwashed
• Red - Evacuated to Mars
• (Parentheses) - The year
• Blue - Drowned due to rising sea levels
• Yellow - Merged with other EU members into one powerful country
• Default Text - None

List

• AD (2133)
• AE (2102)
• AF (2108)
• AG (2604)
• AI (2604)
• AL (2136)
• AM (2136)
• AO (2104)
• AQ (none)
• AR (2188)
• AS (3895)
• AT (2133)
• AU (2119)
• AW (2604)
• AX (2133)
• AZ (2136)
• BA (2168)
• BB (2694)
• BD (2112)
• BE (2133)
• BF (2120)
• BG (2133)
• BH (2102)
• BI (2101)
• BJ (2120)
• BL (2604)
• BM (3895)
• BN (2132)
• BO (2188)
• BQ (2604)
• BR (2188)
• BS (2985)
• BT (2112)
• BV (none)
• BW (2101)
• BY (2172)
• BZ (2188)
• CA (2164)
• CC (2132)
• CD (2104)
• CF (2120)
• CG (2120)
• CH (2136)
• CI (2120)
• CK (3895)
• CL (2188)
• CM (2120)
• CN (2112)
• CO (2188)
• CR (2188)
• CU (2604)
• CV (3462)
• CW (2604)
• CX (3895)
• CY (2133)
• CZ (2133)
• DE (2133)
• DJ (2102)
• DK (2133)
• DM (2604)
• DO (2604)
• DZ (2120)
• EC (2188)
• EE (2133)
• EG (2109)
• EH (2120)
• ER (2102)
• ES (2133)
• ET (2100)
• FI (2133)
• FJ (2616)
• FK (3690)
• FM (3895)
• FO (2960)
• FR (2133)
• GA (2120)
• GB (2136)
• GD (2604)
• GE (2136)
• GF (2188)
• GG (3895)
• GH (2120)
• GI (2176)
• GL (2608)
• GM (2120)
• GN (2120)
• GP (2604)
• GQ (2120)
• GR (2133)
• GS (3775)
• GT (2188)
• GU (3895)
• GW (2120)
• GY (2188)
• HK (2112)
• HM (none)
• HN (2188)
• HR (2133)
• HT (2604)
• HU (2133)
• ID (2112)
• IE (2133)
• IL (2103)
• IM (3895)
• IN (2108)
• IO (2160)
• IQ (2102)
• IR (2108)
• IS (2987)
• IT (2133)
• JE (3895)
• JM (2604)
• JO (2103)
• JP (2115)
• KE (2101)
• KG (2160)
• KH (2204)
• KI (3696)
• KM (3895)
• KN (2604)
• KP - Collapsed due to low economy and annexed by South Korea (2055)
• KR - Becomes Unified Korea (2055)
• KW (2102)
• KY (2604)
• KZ (2160)
• LA (2148)
• LB (2108)
• LC (2604)
• LI (2133)
• LK (2160)
• LR (2120)
• LS (2101)
• LT (2133)
• LU (2133)
• LV (2133)
• LY (2109)
• MA (2120)
• MC (2133)
• MD (2133)
• ME (2168)
• MF (2604)
• MG (2900)
• MH (2608)
• MK (2136)
• ML (2120)
• MM (2112)
• MN (2148)
• MO (2148)
• MP (3895)
• MQ (2604)
• MR (2120)
• MS (2604)
• MT (2133)
• MU (3638)
• MV (2160)
• MW (2101)
• MX (2164)
• MY (2112)
• MZ (2101)
• NA (2104)
• NC (3895)
• NE (2120)
• NF (3895)
• NG (2120)
• NI (2188)
• NL (2133)
• NO (2136)
• NP (2112)
• NR (3895)
• NU (3895)
• NZ (2124)
• OM (2102)
• PA (2188)
• PE (2188)
• PF (3895)
• PG (2156)
• PH (2112)
• PK (2108)
• PL (2133)
• PM (3895)
• PN (3895)
• PR (2604)
• PS (2103)
• PT (2133)
• PW (3895)
• PY (2188)
• QA (2102)
• RE (3642)
• RO (2133)
• RS (2168)
• RU (2136)
• RW (2101)
• SA (2101)
• SB (2616)
• SC (3770)
• SD (2100)
• SE (2133)
• SG (2112)
• SH (4th millenium)
• SI (2133)
• SJ (37th century)
• SK (2133)
• SL (2120)
• SM (2133)
• SN (2120)
• SO (2102)
• SR (2188)
• SS (2100)
• ST (3485)
• SV (2188)
• SX (2604)
• SY (2108)
• SZ (2101)
• TC (2604)
• TD (2120)
• TF (4th millenium)
• TG (2120)
• TH (2112)
• TJ (2160)
• TK (3895)
• TL (2132)
• TM (2160)
• TN (2120)
• TO (2616)
• TR (2108)
• TT (2604)
• TV (2608)
• TW (2115)
• TZ (2101)
• UA (2136)
• UG (2101)
• UM (3696)
• US (2164)
• UY (2188)
• UZ (2160)
• VA (2133)
• VC (2604)
• VE (2188)
• VG (2604)
• VI (2604)
• VN (2124)
• VU (2616)
• WF (3895)
• WS (2616)
• XK (2168)
• YE (2102)
• YT (3895)
• ZA (2101)
• ZM (2104)
• ZW (2101)

Trivia

• The aliens never age.