How it unfolded
Started rising This moment Hedwig of Silesia's feast day
What kind of moment: An anniversary
Hedwig of Silesia's feast day, 16 October.
Hedwig of Silesia's feast day
Languages, not countries.
70 days have to pass before we can say whether a rise lasted. This one has not had them yet.
The rise showed up in the Wikipedia editions in German, English and Polish.