"Just trying to spice things up at Dublin Castle with a little Irish flair 🇮🇪💃 #ErinGoBragh #RebelLife" - Hugh O'Neill, Earl of Tyrone

Oct 23, 1641 - Irish Catholic gentry from Ulster attempt to seize control of Dublin Castle, the seat of English rule in Ireland, so as to force concessions.
https://en.wikipedia.org/wiki/Irish_Catholics