Yes, they are both used to refer to the same War, also known as The Great War and The War to End All Wars.
The proper noun forms for the first world war is World War 1, World War I, or World War One.
its war
world war 1
yes
It was the first combat tank. Produced in World War 1 It was the first combat tank. Produced in World War 1
it was the first world war.
The Great War, The First World War, or The World War (until there was another one).
first war 1
It was World War 1.
World War 1 occurred in Australia in the same years as elsewhere in the world - from 1914 to 1918.
First world war. Great war.
no not at all they were not involved in the first world war