Dublin 1920

'Above the noise of the crowd, I could hear men shouting. I looked back and saw them – a line of trucks, and men with guns starting to run towards the field. That's when it happened.'

On a bright day in November, three boys joined the huge crowd heading to a Gaelic football match at Croke Park. Excitement filled the air, but also fear. Important men had been killed in their beds that morning by the IRA. The police were angry. In the middle of a cruel war for Irish independence, people were afraid of what might happen next.

But that war wouldn't come to Croke Park. Would it?