1) Non-Gregorian July observance 
[festival] The Heracleia (Ἡράκλεια ἐν Κυνοσάργει Herakleia en Kynosargei) were ancient festivals honoring the divine hero Heracles. The ancient Athenians celebrated the festival, which commemorated the death of Heracles, on the second day of the month of Metageitnion (which would fall in late July or early August), at ...