On 22 September, from noon till midnight, the Galeri in Caernarfon hosts Gwyl Heddwch Cymr (the All Wales Peace Festival).
Nick Wheeler of the University of Wales Aberystwyth speaks on “Building Trust Between Enemies in a Nuclear Age”, Jo Berry and Patrick Magee talk about their own journey of reconciliation after the 1984 Brighton bombing, and Mabon ap Gwynfor address peace activism in Wales.
There are workshops on climate change, human trafficking, mediation, nuclear power, NVDA, rebel clowning and protest singing.
Films screened include the acclaimed Global Dreams, about the Palestinian football team.
From 8pm there's a benefit concert for a Palestinian olive tree replanting project. The bill includes Anrhefn, Red Stripe, the Olive Groove DJs, and an acoustic set featuring Gwilym Morus (tickets Â£10/Â£7).