Modern Day
Cold War
WW2
WW1
Befrore WW1
100

A red background with one Yellow Star

Vietnam

100

2018 meme and Member of the Warsaw Pact with a Red and Yellow Flag

USSR/Soviet Union

100

Bad Boy of Europe with a banned sign

N@zi Germany

100

A Red, Green, and White Flag with 2 Coats of Arms

Austria-Hungary

100

A red-like color, a green circle, and yellow Islamic signs, and was Trans-Continental

Ottoman Empire
200

A nation Famous for one man with a Yellow, Blue, and Red tricolor

Romania

200

A member of NATO and a founding member with a Red and White flag

Denmark

200

A red, yellow, and purple flag that fought in the Spanish Civil War

Republican Spain

200

a newer British colony with the Union Jack taken from the Ottoman Empire

British Cyprus

200

Held the Berlin Conference in 1888 with a black, white, and red horizontal tri-color

German Empire

300

A nation is in central Europe with a Red, White, and Blue flag

Czechia/Czech Republic

300

A neutral Communist nation not a part of the Warsaw Pact with a Red, White, and Blue flag with a red and Yellow star

Yugoslavia

300
A nation that fought in WW1 with a Green and Red flag who didn't go and fight in WW2 

Portugal

300
A nation that pulled out of WW1 and had a revolution 

Bolshevik Russia/Soviet Union

300

a Holy Empire with many client states in Germany and Upper Italy, with the biggest being Prussia

Holy Roman Empire

400

A nation slowly sinking underwater with a red, white, White and blue flag

Nethrlands

400

Neutral with a Red and White flag like an ambulance

Switzerland

400

A Nation under the control of a fascist leader, the 2nd matter of fact under a micronational title

San Marino
400

Berber tribes that resisted French colonial rule in the Middle Atlas mountains who often supported by the Central Powers.

Central Morocco Confederacy

400

The smallest empire off the coast of Italy, calling it the "exile empire."

Empire of Elba

500

An island nation where only 10,000 people live, the flag is Navy Blue, Yellow, and white

Naru

500
The last Fascist leader from WW2 who didn't fight in it but was a co-belligerent

Spain

500

A nation of Freedom under a Military leader named Charles DG with a famous Tri-color 

Free France

500

A Middle Eastern nation that helped unify Saudi Arabia from many tribes into one country without a flag

Emir Abdulaziz Al Saud

500

 A tiny, largely unrecognized island kingdom off the coast of Sardinia 

Kingdom of Tavolara