As for the other colors on the Irish flag, green represents Roman Catholics and white does, as the meme tates, represent peace. The first known version of this flag is dated March 1848.

1Thomas F Meagher was an Irish patriot who introduced the tricolour to Ireland. On what date was the first ever Irish flag flown?

Just in case the Irish roots of Oasis were ever in doubt, the lads hung a green "Erin Go Bragh" flag on stage during the ...