New Year for Trees. Tu BiShvat is one of four “New Years” mentioned in the Mishnah https://hebcal.com/h/tu-bishvat-2027?uc=ical-diaspora-2027

Shabbat of Song. Shabbat that includes Parashat Beshalach https://hebcal.com/h/shabbat-shirah-2027?uc=ical-diaspora-2027