Meaning of the word "World War I" in English

What does "World War I" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

World War I

US /wɜːrld wɔːr wʌn/
UK /wɜːld wɔː wʌn/
"World War I" picture

Noun

a global war originating in Europe that lasted from 1914 to 1918

Example:
World War I changed the map of Europe forever.
Many new technologies were used for the first time during World War I.