Why on February 20, 2023 bake the onions pies, what holiday celebrate

Today, on February 20, worldwide celebrate the international, state and national holidays. It is date of the World day of social justice. On a religious calendar revere memory sacred, martyrs, Saint. Also note a name-day: Alexandrov, Anatoliyev, Arseniyev, Vasiliyev, Dmitriyev, Ivanov, Christine, Maksimov, Mary, Yulianov. It is accepted to bake pies and other products with onions also on February 20. In honor of what holiday? And why ancestors were afraid of a thunder this day? What holiday celebrate on February 20 in 2023 this day, on February 20 (the 7th on old style) 2023 the orthodox...