What is the oldest source for hakafos on Simchas Torah? (Bonus: Why do we do hakafos on Simchas Torah?)
1 Answer
According to this site, the Machzor Vitry (12th century) was the earliest source to mention hakafos -albeit in the morning, and the Maharam M'Rutenberg (13th century) was the first to record hakafos being done at night.