That's the point of the Irish Tricolour flag; Green (Nationalists) Orange (Unionist) and White being peace between the two. Designed by Thomas Francis Meager, leader of Young Ireland, the revolutionary group in 1848 (Or apparently gifted to him by a group of French women from the 1848 Paris Commune, sympathetic to Ireland's plight.)
Incidentally Meagher had an extraordinary life. Captured by the British after the failed 1848 insurrection he was sentenced to be executed but all the failed rebellion leaders were instead transported and imprisoned in Van Diemen's Land (Tasmania) in the hellish prison for Irish revolutionaries. He escaped and made it to New York where he later became a Union General in the US Civil War, first with the Irish emigrants in the New York Militia (The Fighting 69th) then forming The Irish Brigade which suffered huge loses at Anietam and Fredricksburg. After the war he was made Governor of Montana territory and then drowned, or was murdered by Montana political rivals while crossing a river, nobody knows for sure which it was.
What a life!
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