It is celebrated 16.08.2026 according to the Julian calendar, or 29.08.2026 according to the Gregorian calendar. See what else we celebrate on that day here.
New Martyr Stamatius of Volos, Thessaly (1680)
The Martyr Stamatios was a native of the city of Boleia (Thessaly). They slandered him as having accepted Islam, but he bravely confessed himself a Christian and was beheaded by the sword at Constantinople in 1680.