Christian feast day: Anthony, John, and Eustathius

Anthony, John, and Eustathius are saints and martyrs of the Eastern Orthodox Church. Their feast day is celebrated on 14 April in the horologion. They are also commemorated in the Monastery of the Holy Spirit in Vilnius each year on 13 July. They are commemorated with the 4th Tone Troparion and 3rd Tone Kontakion in Eastern Orthodoxy.