Ireland ignited the St Patrick's Day celebrations by sealing the third grand slam in their history as England collapsed to a 24-15 defeat at Twickenham.
A record-extending 12th successive Irish victory was sealed at a canter as a 21-5 half-time lead in south west London established an unassailable position to elevate Joe Schmidt's class of 2018 alongside the heroes of 1948 and 2009.
Garry Ringrose and CJ Stander crossed before Jacob Stockdale plundered a record- breaking seventh touchdown of the tournament, claiming a try that was laced in irony due to the extension of the in-goal area in anticipation of snow.
England, under former Wallabies boss Eddie Jones, have descended into crisis as their 14-Test unbeaten home record under the Australian drew to a close, in the process registering a third successive loss and a first championship defeat at Twickenham since 2012.