Events that led to the start of World War 1; 28th June 1914 - Murder of Austria-Hungry archduke Franz Ferdinand In Sarajevo By Gavrilo Princip a Serbian Student. 28 July 1914 - unhappy at Serbia's response, Austria-Hungry declares war on Serbia. 29th July 1914 - Due to her Alliance, Russia mobilises to support Serbia. 1st August 1914 - Due to the Alliances, Germany declares war on Russia. 3rd August 1914 - Germany declares war on France. 4th August 1914 - Germany invaded Belgium using the Schlieffen Plan. Britain declares war on Germany. 5th August 1914 - Austria-Hungry declares war on Russia. By 12th August - France and Britain declare war on Austria-Hungry. Assassination Archduke Franz Ferdinand
Both world wars had Germany on one side and Britain, France, the United States, Russia, and China on the other. Differences include the fact that the Russia of World War I was the imperial Russian Empire while the Russia of World War II was the communist Soviet Union. Countries that changed sides include Turkey (for Germany in World War I, neutral in World War II), the Austro-Hungarian Empire (for Germany in World War I, no longer existed by the time of World War II), Italy (against Germany in World War I, for Germany in World War II), and Japan (against Germany in World War I, for Germany in World War II).
Japan and Italy fought against Germany in World War 1 but were on Germany's side in World War 2
World War 2
Germany was the first country to declare war on Serbia in World War 1. The other countries were pulled into the war because the had alliances with either Serbia or Germany.
The invasion of Poland at 4.4oam caused ww2 when Germany invaded Poland and targeted several parts of Poland Krakow,Lodz and Warsaw. The British GOVERMENT declared war. Hilter came along and said "World War 2 begins" WWII: Nazi Germany invades Poland, beginning the Second World War in Europe.' * September 3 - WWII: United Kingdom, France, New Zealand and Australia declare war on Germany. Nepal declares war on Germany. United States declares its neutrality in the war. South Africa declares war on Germany. Canada declares war on Germany.
In World War 2?
The US declared war on Germany on Dec 11th 1941, (two days after Germany declared war on the US). Everything since that date to the present is after.
STEPS TO WORLD WAR ONE 1. Franz Ferdinand was assisinated, July 28 2. Austria-Hungary declares war on Serbia, July 28 3. Russia mobilizes armed forces 4. Germany declares war on Russia, August 1 5. Germany declares war on France, August 3 6. Germany invades Belgium, August 4 7. Britian declares war on Germany, August 4 8. Austria-Hungary declare war on Russia, August 6 9. France and Britian declare war on Austria-Hungary. Sorry i dont have the dates for all of them,='(
september 1939
it became global
They declared war on Germany because of the alli system. Germany invaded Polland (who Britain were allies with) and so Britain declared war on Germany and so did France and so on until like the whole world was involved. (Btw you need 2 be more specific in your question lol)
Battle of tannenberg
Which war? For the USA WWI was declared in 1917 as allies and WWII declaration was made 12-8-1941 the day after Pearl Harbor was bombed. In England they declared war on Germany in 1917 for WWI and in 1939 for WWII.
Britain and France declared war on Germany. Canada, Australia, New Zealand and South Africa declared war on Germany. Italy declares war on the Allies Germany, Finland, Hungary and Romania declared war on Soviet Union. Britain declared war on Finland, Hungary and Romania United States declares war on Japan Germany and Italy declares war on United States Italy declares war on Germany (changed sides) Romania declares war on Germany (changed sides) Soviet Union declares war on Japan I think you missed out Britain, Australia and New Zealand declaring war on Japan. Oh, and don't forget that Costa Rica declared war on Germany ... It provided the government of Costa Rica with an opportunity to seize German property.
China, USA and USSR
Invasion by Germany of Poland in 1939. US won't get involved until Dec. 8, 1941 the day after the bombing of Pearl Harbor when war is declared on Japan and Germany, in turn, declares war on the US.