0
Around 30 countries across the globe.
Australia
Entered war together with Britain on 4 August 1914
Austria-Hungary
Declared war with Serbia on 28 July 1914
Declared war with Russia on 6 August 1914
Declared war with Belgium on 28 August 1914
Declared war with Portugal on 15 March 1916
Belgium
Invaded by Germany on 3 August 1914
Brazil
Severed relations with Germany on 11 April 1917
Declared war with Germany on 26 October 1917
Bulgaria
Declared war with Serbia on 14 October 1915
Declared war with Romania on 1 September 1916
Canada
Entered war together with Britain on 4 August 1914
China
Severed relations with Germany on 14 March 1917
Declared war with Germany on 14 August 1917
Declared war with Austria-Hungary on 14 August 1917
Costa Rica
Severed relations with Germany on 21 September 1917
Declared war with Germany on 23 May 1918
Cuba
Declared war with Germany on 7 April 1917
France
Invaded by Germany on 2 August 1914
Declared war with Austria-Hungary on 12 August 1914
Declared war with Turkey on 5 November 1914
Declared war with Bulgaria on 16 October 1915
Germany
Declared war with Russia on 1 August 1914
Declared war with France on 3 August 1914
Declared war with Belgium on 4 August 1914
Declared war with Portugal on 9 March 1916
Greece
Declared war with Austria-Hungary on 27 June 1917
Declared war with Bulgaria on 27 June 1917
Declared war with Germany on 27 June 1917
Declared war with Turkey on 27 June 1917
Guatemala
Declared war with Germany on 23 April 1918
Haiti
Declared war with Germany on 12 July 1918
Honduras
Declared war with Germany on 19 July 1918
Italy
Declared war with Austria-Hungary on 23 May 1915
Declared war with Turkey on 21 August 1915
Declared war with Germany on 28 August 1915
Declared war with Bulgaria on 19 October 1915
Japan
Declared war with Germany on 23 August 1914
Declared war with Austria-Hungary on 25 August 1914
Liberia
Declared war with Germany on 4 August 1914
Montenegro
Declared war with Austria-Hungary on 5 August 1914
Declared war with Germany on 8 August 1914
Declared war with Bulgaria on 15 October 1915
New Zealand
Entered war together with Britain on 4 August 1914
Nicaragua
Declared war with Austria-Hungary on 8 May 1918
Declared war with Germany on 8 May 1918
Panama
Declared war with Germany on 7 April 1917
Declared war with Austria-Hungary on 10 December 1917
Portugal
Entered war against Germany on 9 March 1916
Entered war against Austria-Hungary on 15 March 1916
Romania
Declared war with Austria-Hungary on 27 August 1916
Exited war with Treaty of Bucharest on 7 May 1918
Re-entered the war on 10 November 1918
Russia
Declared war with Turkey on 2 November 1914
Declared war with Bulgaria on 19 October 1915
San Marino
Declared war with Austria-Hungary on 3 June 1915
Serbia
Declared war with Germany on 6 August 1914
Declared war with Turkey on 2 November 1914
Siam
Declared war with Austria-Hungary on 22 July 1917
Declared war with Germany on 22 July 1917
Turkey
Declared war with Romania on 30 August 1916
Severed relations with United States on 23 April 1917
United Kingdom
Declared war with Germany on 4 August 1914
Declared war with Austria-Hungary on 12 August 1914
Declared war with Turkey on 5 November 1914
Declared war with Bulgaria on 15 October 1915
United States of America
Declared war with Germany on 6 April 1917
Declared war with Austria-Hungary on 7 December 1917
What else can I help you with?
Group of countries not involved with ww1?
America, Germany, Your mother, Japan
Leaders involved in world war 1?
who were the leaders involved in WW1 who were the leaders involved in WW1
Why is World War 2 considered a bad war?
Because multiple countries are involved in it. Just like WW1. WW2 has involved in many European countries such as Germany, Japan, Italy. Opposing them were the US, Britain, Russia, many more countries unlisted.
How did imperlism in Africa and Asia lead to ww1?
Too many countries wanted to colonise in Africa and Asia so they fought. Thus, the outbreak of WW1
Who was the World War I between?
Almost all countries were involved in WW1 . But everything started with the assassination on Franz Ferdinand. The assassin was Gavrilo Princip, member of Organization "Mlada Bosna". We can say that at the start the WW1 was between Kingdom of Yugoslavia and Austro-Hungarian Empire, but later, as I said in the first sentence, almost whole world was involved in WW1.I hope I helped you.Pardon my french :)
What are the 2 countries which involved in World War 1?
there were many countries that were involved in WW1, like: france, germany, russia, prussia, america, england etc.
What countries joined in World War 1 and 2?
There were over 100 countries involved in WW1 There were 57countries involved in WW2
Group of countries not involved with ww1?
America, Germany, Your mother, Japan
How many people were involved with WW1?
99,000,000
What are the countries involved in the allied powers in ww1?
US (IN LATER YEARS) Great Britain, France, Russia, China, and many other minor countries that didnt affect it much =)
Why it was named World War 2?
Because it involved so many countries in so many parts of the world. WW1 was 1914 to 1918. WW2 1939 to 1945
Which countries were all involved in World War 1 and 2?
There were over 100 in WW1 and 57 in WW2
Leaders involved in world war 1?
who were the leaders involved in WW1 who were the leaders involved in WW1
How many people from nations other than USA died in World War 1?
There were 23 countries involved in WW1 and there is a list with all of the casulties on the web link.
What countries were involved in the Russian Revolution?
The only country directly involved in the Russian Revolution was Russia itself. Germany did help Vladimir Lenin get into Russia and then funded his revolutionary operations, but it was not truly involved as a nation.
Why is World War 2 considered a bad war?
Because multiple countries are involved in it. Just like WW1. WW2 has involved in many European countries such as Germany, Japan, Italy. Opposing them were the US, Britain, Russia, many more countries unlisted.
Who were the first countries to get involved in world war 1?
The main countries that were first in ww1 ere France, Germany, Britain, and Russia. Later on other countries, including American, joined the conflict.
