text: alliances of both world war one and world war two.?   this is long! during the first world war the alliances were: "allies" (triple entente): *belgium (including belgian colonial forces)  *british empire  **great britain *the dominions of the british empire:  **australia  **canada  **new zealand  **newfoundland (not part of canada at the time)  **south africa  *british crown colonies, including:  **the indian empire (later india, pakistan and bangladesh)  *sri lanka  *nepal  *myanmar and  *british malaya  *france (including french colonial forces)  *italy (from 23 may 1915)  *romania (from 27 august 1916)  *russian empire (until 1917)  *serbia  *united states (from 7 april 1917)   *greece (from 1917)  *montenegro (until 1916)  *portugal (from march 1916)  as well as: andorra  first republic of armenia  brazil  china (from 1917)  costa rica  czechoslovak legions  cuba  guatemala  haiti  honduras  japan  liberia  nicaragua  panama  san marino  siam (now thailand)   the central powers were: *germany *austria-hungary *the ottoman empire  *bulgaria  during the second world war the allies were (dates are shown for when they entered the war against the axis): following the german invasion of poland  poland: 1 september 1939   united kingdom: 3 september 1939   france: 3 september 1939   australia: 3 september 1939   new zealand: 3 september 1939   the indian empire: 4 september 1939     nepal: 4 september 1939   newfoundland: 4 september 1939   tonga: 4 september 1939   south africa: 6 september 1939   canada: 10 september 1939   after the end of the phony war  denmark: 9 april 1940   norway: 9 april 1940   belgium: 10 may 1940   luxembourg: 10 may 1940     netherlands: 10 may 1940   free france: 18 june 1940   greece: 28 october 1940   kingdom of yugoslavia: 6 april 1941   soviet union: 22 june 1941   tannu tuva: 25 june 1941   after the attack on pearl harbor  panama: 7 december 1941   philippines: 7 december 1941   costa rica: 8 december 1941   dominican republic: 8 december 1941     el salvador: 8 december 1941   haiti: 8 december 1941   honduras: 8 december 1941   nicaragua: 8 december 1941   united states of america: 8 december 1941   republic of china: 9 december 1941     guatemala: 9 december 1941   cuba: 9 december 1941   czechoslovakia: 16 december 1941   mexico: 22 may 1942   brazil: 22 august 1942   ethiopia: 14 december 1942   iraq 1943: 17 january   bolivia: 7 april 1943     iran 1943: 9 september   italy: 13 october 1943   colombia: 26 november 1943   liberia: 27 january 1944   after d-day  romania: 25 august 1944, (formerly a member of the axis powers)   bulgaria: 8 september 1944, (formerly a member of the axis)   san marino: 21 september 1944   albania: 26 october 1944   hungary: 20 january 1945, (formerly a member of the axis)   bahawalpur: 2 february 1945   ecuador: 2 february 1945   paraguay: 7 february 1945   peru: 12 february 1945     uruguay: 15 february 1945   venezuela: 15 february 1945   turkey: 23 february 1945   lebanon: 27 february 1945   saudi arabia: 1945 march   argentina: 27 march 1945   chile: 11 april 1945   people's republic of mongolia: 9 august 1945   the axis powers were: *nazi germany *italy *japan *thailand *hungary *bulgaria *romania (until 23 august 1944) *croatia *vichy france *finland the following nations were occupied by the axis powers: *albania *austria (annexed during the anschluss) *belgium *denmark *ethiopia *"lokot republic" the occupied areas of russia *luxembourg *manchuria (a japanese client state) *provisional government of free india (which was a rebel government against the japanese in the occupied areas of british india) *vichy france  hope this helps,