Should the Irish grow up?

It's battle of the Boyne day in Northern Ireland which marks the highlight of marching season. Marching season is where protestants march through Catholic areas to rub their noses in it over battles fought in the 1600s. Many towns also have giant bonfires like the ones being constructed in the photos.

Now I say who gives a fuck about something that happened over 400 years ago. We don't pay this much attention to the millions that died in the world wars, they get 2 mins silence not months of marching and bonfires.

Why do people cling to historical events that are well beyond living memory when the world has moved on?

Thoughts?
Should the Irish grow up?
Should the Irish grow up?
Should the Irish grow up?
Should the Irish grow up?
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