Today is the feast of the translation of the relics of St. Nicholas of Myra. Please learn more about the feast at the links below.

English:

https://oca.org/saints/lives/2017/05/09/101336-translation-of-the-relics-of-st-nicholas-the-wonderworker-from-m

Russian:

https://days.pravoslavie.ru/Life/life1023.htm