Shmendrick — We are careful not to use the appellation as noted in your response, but simply to refer to it as the late December/early January break, in order not to draw attention to those days. I am aware of the common use of “X” for the prefix of that holiday.
greatest — There will be a Shana Tova coming up next Shabbos, Rosh Chodesh Shvat which the Mishna in Rosh HaShanna (1:1) says it’s the Rosh HaShanna for Ilanot, according to Beit Shammai. We hold according to Beit Hillel that it’s Tu B’Shvat (2 weeks after).