Who Were Involved in WW2?

WW2 Intro Photo (Yalta Conference) In terms of nationality, five major countries participated in WW2.



Soviet Union

There are also many other countries involved in the war. For example, led by Chairman of the Nationalist Government Chiang Kaishek, the Republic of China played a critical role in tying down many Japanese Army troops, making them unavailable to defend against the American advances in the Pacific War. Italy, too, played an important role in the political arena before the start of the European War and with her actions in North Africa and the Mediterranean Sea. Poland, France, Ukraine, and other European nations suffered greatly as much of the European War was fought on their soil. Last but not least, Commonwealth nations such as Australia and Canada devoted much of their resources for the Allied cause.

Next: When Was WW2?

Did you enjoy this article or find this article helpful? If so, please consider supporting us on Patreon. Even $1 per month will go a long way! Thank you.

Share this article with your friends:


Stay updated with WW2DB:

 RSS Feeds

Visitor Submitted Comments

1. Anonymous says:
14 Oct 2008 07:00:28 AM

2. Anonymous says:
15 Mar 2010 12:09:04 AM

Where did both of the wars take place and Who was involved in them?
3. amanda hugnkiss says:
16 Mar 2010 07:01:36 PM

ww2 is so boring
4. Perry mattingly says:
21 Apr 2010 01:27:00 PM

To amanda hugnkiss WW II is not very boring at all if you are patriotic because Even though the US didnt get started late in WW II its still just as important as the war for independence,the Civil War,The frech and Indian war,Desert storm,Operation Iraqi Freedom, The korean war, The Vietnam war ( not really a war we did not declare war on North Vietnam more of a conflict) Every one of these wars Are very imprtant Btw WW 2 Made the UsS what it is today A WORLD SUPER POWER
5. Anonymous says:
19 May 2010 05:30:52 PM

i thought italy was in ww2
6. Anonymous says:
26 May 2010 04:28:09 AM

I love history, especially ww2!
7. zee- man says:
30 Oct 2010 01:17:04 PM

God bless America 4sh always put th ppl of th world first
8. Anonymous says:
4 Nov 2010 09:35:15 AM

I was wondering why did the United States want to stay out of the war at first? Anyone know.
9. Anonymous says:
15 Nov 2010 10:36:02 AM

helpful for my project...i guess
10. Anonymous says:
7 Dec 2010 05:28:58 AM

11. Anonymous says:
22 Feb 2011 09:32:55 AM

in regards to ww2 being boaring i would say that it was amazing, one cant evan begin to comprehend the human loss and sacrifice,russia alone lost over 30m, people the fact that a mad man mannaged to gain contoll of germany and wadge war over europe untill the fall of the nazi empire, that lasted 6 years and wasnt over untill the russian kicked through the doors of hittlers bunker.
one thing is for shaw, a war on the same scale will never be seen again,
12. Alan says:
13 Apr 2011 01:09:09 PM

No wonder the last wanted to stay anonymous-I counted no less than nine spelling mistakes
13. zac says:
4 May 2011 11:54:48 AM

im stck at school doing this project so plz help me do this projct help!!!!!!!!!!!!!
14. Anonymous says:
13 May 2011 07:14:40 AM

USA first stayed out of the war becouse people did not like to enter the war. But goverment and banks were for war and they need an excuse to enter the war. Btw, war is very very profitable thing..Sadly.
So, like many other wars(even last war agains terrorist) they needed excuse, and pearl harbour was planed and very nice excuse. Secret service knew that for japan ships movement and knew that plains are coming.
After pearl harbour people was for the ww2. And so usa entered ww2....

Today is hapening very much the same...twins in NY->excuse->Afganistan(10years to catch a man. my mom would do it in 1 week:)) -> iraq,... Who is next?

Iam from eu, and for me and many other europeans is usa(usa leaders not ordinary people) biggest terrorist on the world. I hope you will soon find out the "real thing". Come in eu to see how can life be lived with no fear.

best wishes
15. Anonymous says:
29 May 2011 12:29:38 PM

I'm doing a project about what was going through the head of a hawk during WW 2 . Help ?
16. Anonymous says:
8 Nov 2011 09:43:04 PM

why were they involved?
17. Anonymous says:
15 Mar 2012 10:07:57 AM

pleez help me on this project at school...know one knows what wwII is about...and yes italy was in the war but they was more of a nazi cause they were always with hitlar
18. Anonymous says:
30 Aug 2012 07:18:58 PM

the was alot more people involved than this no help at all.
19. rhiannon 66 99 says:
1 Nov 2012 03:48:48 AM

ww2 aint dat borin im havin to learn about it in re
20. Anonymous says:
1 Nov 2012 03:50:08 AM

ww2 is amazing im learning about ir in re its cool
21. Little girl says:
18 Dec 2012 05:03:57 PM

I am learning about my family and there was someone named Donald John Snider and he is on my grandpas side do u know anything about DJ let me know at eholtzhauer@hotmail.com
22. hottie says:
29 Dec 2012 03:03:40 PM

i think that WWII is a experience we should all know so why try to put it off? it has a lot of life learning lessons in it. so enjoy the learning and love the lessons!:)
23. Anonymous says:
7 Feb 2013 08:39:08 AM

im doing a project does anymore know about world war 2
24. awesomenesss :P!!!!!! );!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! says:
23 May 2014 05:12:43 PM

my commet is that why should be peaceful so things dont go the wrong way because right now my great grandfather died and was involed in WW2

25. ... says:
18 Feb 2015 01:42:03 AM

There are so many five-year-olds commenting as anonymous. Are you retarded or something?
26. CocoChanel01 says:
1 Apr 2015 06:29:26 PM

who was involved?
what did they do?
How many allies were killed?
How many Germany soldiers were injured and killed in WW2?
how many people were killed by the holocaust 9 this isn't only Jewish people)?
27. Siosifa says:
20 Apr 2015 03:24:19 PM

Where did it take place and who went to fight we need more information people.
28. Anonymous but eats toast says:
23 Apr 2015 10:34:33 AM

This is good, but I still need one of the people who was involved, like Scott Joblin, or John Tower.
29. Anonymous toast is mine says:
23 Apr 2015 10:37:26 AM

Was Scott Joblin involved? What about John Tower? We need MORE!!
30. ihateeveryonelol says:
18 Feb 2016 05:48:24 PM

Please give more information on who was involved, but otherwise, great work!
31. Anonymous says:
29 Mar 2016 06:10:49 AM

who was involved
32. Your savior says:
4 Apr 2016 05:59:05 AM

(countries involved) Great Britain, US, Canada,China, Soviet Union, Germany, Italy, Japan (pretty much all you should need to know)
33. Zxuser says:
10 Dec 2016 06:57:21 PM

Good grief kids..... if you want to know about WW2, Google the *** thing. Not that hard....it was a horrific war.
34. MR. POPINS says:
10 Apr 2018 06:58:16 AM


All visitor submitted comments are opinions of those making the submissions and do not reflect views of WW2DB.

Posting Your Comments on this Topic

Your Name
Your Email
 Your email will not be published
Comment Type
Your Comments
Security Code



1. We hope that visitor conversations at WW2DB will be constructive and thought-provoking. Please refrain from using strong language. HTML tags are not allowed. Your IP address will be tracked even if you remain anonymous. WW2DB site administrators reserve the right to moderate, censor, and/or remove any comment. All comment submissions will become the property of WW2DB.

2. For inquiries about military records for members of the World War II armed forces, please see our FAQ.

Search WW2DB & Partner Sites

Famous WW2 Quote
"I have returned. By the grace of Almighty God, our forces stand again on Philippine soil."

General Douglas MacArthur at Leyte, 17 Oct 1944

Support Us

Please consider supporting us on Patreon. Even $1 a month will go a long way. Thank you!

Or, please support us by purchasing some WW2DB merchandise at TeeSpring, Thank you!