Mayo's bid to reclaim the Nestor Cup Connacht began with a nine-point win over Sligo in Castlebar, Carlow shocked Louth in Leinster, Donegal routed Antrim in Ulster, but the big result of the day came in Thurles as Cork dethroned Munster champions Tipp.
In Denis Walsh's brilliant book, Hurling: The Revolution Years he beautifully captures an era that defined a sport. He takes the reader on a journey through a time when hurling was arguably at its best, when it was free-flowing and ferocious.
Happy days are here again. There's nothing in Irish sport quite like the Sunday when the championships begin in earnest. It's like the start of the school holidays or that moment when you wake up and realise it's Christmas morning. Only a very dull dog indeed can fail to be gripped by joy and expectation at the prospect of the whole four-month circus beginning again.
The championship season that might see Dublin win three-in-a-row for the first time since the 1920s, Waterford end a 58-year wait to hook hurling's greatest prize, or Tipperary retain the MacCarthy Cup for the first time in over half-a-century, gathers momentum in venues around the country today.
Michael Ryan has kept faith with 12 of the Tipperary side humbled by Galway in last month's League final, while the Premier men are boosted by Seamus Callanan's return for their Munster SHC duel with Cork in Thurles tomorrow (4.0).
When I was playing football I loved the month of May. Long holidays on the horizon, good weather, the championship starting for club and county, a time of hope. The journey was about to start again. Now when I look back I realise that I lived for the best part of a decade in a fool's paradise. There was no hope, Meath were going nowhere fast from the mid-1970s until 1986.
Former Cork hurler Aisake Ó hAilpín has said that being pulled from Cork's 2010 All-Ireland semi-final with Kilkenny was the main reason he decided to call time on his intercounty hurling career with the Rebels.
If Kerry's defeat of Dublin in the Allianz Football League final went some way towards puncturing the aura of invincibility that had built up around the Dubs, you'd imagine the drubbing handed out by Galway to Tipperary in the hurling equivalent has had a similar effect.