May 1 (Eastern Orthodox liturgics) - Wikipedia
https://en.wikipedia.org/wiki/May_1_(Eastern_Orthodox_liturgics)
Apr. 30 - Eastern Orthodox Church calendar - May 2. All fixed commemorations below ... century); Saint Symeon of Syracuse (or of Mount Sinai or Trier) (1035) ...
May 1 - OrthodoxWiki
https://orthodoxwiki.org/May_1
Jun 10, 2008 - Saint Symeon of Syracuse (or of Mount Sinai or Trier) (1035); Martyr Andeolus of Smyrna, a subdeacon from Smyrna sent to France by St ...