‘How Green Was My Valley’ was released in 1941 and got nominated for 10 Academy Awards - winning four of them, including Best Picture.

Today is Easter Sunday and that means there could be no better time to explore the strange story of two Easter Rising veterans who ended up acting side by side in this Hollywood blockbuster.

And if that wasn’t already remarkable, they were on different sides of the Rising.

Gavan is joined by Donal Fallon for another episode of Hidden Histories to tell us more.