As it must, history will record this as the week in the 2022 NFL season when the league's last unbeaten team fell, and whether you regard that as definitional history or something much closer to trivia, it still gets written.
The Eagles face-planted at home in prime time by turning the ball over as many times in 60 minutes against the Washington Commanders (thrice) as they had while stretching their pristine autumn to 8-0. While the lasting significance of all that is dubious, it did extend the apparently indestructible legacy of another franchise to a monumental 50 years.
A half century has now passed since an NFL team went undefeated and untied, that being your 1972 Miami Dolphins, who many say were on their way to losing in Pittsburgh that New Year's Eve save for, well, a couple of things.