This was the first public traditional Mass celebrated in the Cathedral since 1988 (when Cardinal Lustiger celebrated Mass the day after Archbishop Lefebvre's infamous ordinations in an attempt to reduce tensions with traditionalists).
The Mass was preceded by a procession from St Eugene in the ninth Arondissement, and ended with prayers to Our Lady.
There was apparently a strong turnout.
France, despite the strength of its traditional movement, has of course some of the more intractable bishops when it comes to the traditional mass. But the tide is clearly turning....