noun
Orange Revolution
Refers specifically to the 2004–2005 political events in Ukraine. Used as a proper noun in historical and political contexts.
2004年のオレンジ革命は、ウクライナの政治に大きな影響を与えた。
The Orange Revolution of 2004 had a major impact on Ukrainian politics.
From English 'Orange Revolution', referring to the color adopted by the protesters in Ukraine.