further example of jerusalem's superiority to the rest of the country and two decrees of rabban yohanan ben zakkai

Two historical events where intent made the difference and how was shofar performed on Shabbat

defective shofarot and invalid blowings of the shofar

The shofarot of fast days and the yom kippur of yovel

What can be used as a shofar and the ideal type of shofar

The fall out of the debate between Rabban Gamliel and Rabbi Yehoshua.

What happens if everyone saw the new moon but the new month was not actually declared?

How the day was declared Rosh Chodesh and Rabban Gamliel's approach to questioning the witnesses

What happened when the witnesses reached Jerusalem and how were they examined?

how were the torches lit and upon which mountains were they lit

how to determine witnesses' eligibility and how they publicised the news of the new month