Where and when was the second Buddhist council held?
[A]Patliputra in 250 B.C.
[B]Sri Lanka in 1st century B.C.
[C]Vaishali in 383 B.C.
[D]Mandalay in 1871 A.D.

Vaishali in 383 B.C.
The second Buddhist council was held at Vaishali in 383 B.C. In this council, Buddhism was divided in two groups or schools —- 1. Sthaviravadins & 2. Mahasamghikas.