RIDDLE What didn't happen on א' טבת? It was done every single day in the year except for one day in the year, on א' טבת ?

 Daf Yomi (Tuesday)

תענית כ"ו ע:א  

          What didn't happen on א' טבת? 

Daf Yomi (Tuesday) תענית כ"ו ע:א             What didn't happen on א' טבת?  The משנה (Ta'anis 26a) says, "The only day of the year when we have 1) הלל*,(whole) 2) מוסף** (3 & קרבן עצים*** is on א' טבת Due to the busy schedule on that day, there were no מעמדות**** at all on the 1st of טבת."        *    Chanukah **   Rosh Chodesh ***  one of the 9 times in a year when  certain families donated wood for the מזבח **** The אנשי מעמד fasted from Monday to Thursday  They had a special קריאת התורה and תפילה  They stood by every day while the כהנים were מקריב the קרבנות