The war declaration of US is from 12 December 1941.
Bulgaria, Czechoslovakia, Hungary, Poland, Romania
Italy, Japan, Bulgaria, Hungary, Romania
Russian ocupation in Hungary and Romania, American occupation in Japan in Germany, terror, huge payments, etc. Bulgaria was not seriously punished.
* ** Germany ** Japan ** Italy * ** Hungary ** Romania ** Bulgaria ** Yugoslavia
Axis powers: Germany, Italy, Japan, Hungary, Romania, and Bulgaria.
Japan
By joining with Germany, Bulgaria was spared a forcible induction to the Axis, and Bulgaria was not required to send forces to the Russian Front as were Hungary and Romania.
Germany, Italy, Japan, Hungary, Romania, Finland, Thailand, Bulgaria, Croatia and Slovakia.
28 July 1914 - Austria-Hungary declares war on Serbia 6 August 1914 - Austria-Hungary declares war on Russia 23 Maj 1915 - Italy declares war on Austria-Hungary
GERMANY, AUSTRIA, ROMANIA, BULGARIA, VICHY FRENCH, ITALY, ECT.......
Germany, Italy, Slovakia, Hungary, Romania, Bulgaria, Croatia, Finland and Siam
After the Second World War in Poland, Czechoslovakia, Hungary, Romania, Bulgaria, and East Germany (DDR).