(A) The Urdu Hindi controversy 1867
(B) Partition of Bengal 1905 ✓
(C) Jallianwala Bagh tragedy 1919
(D) All of these events
(A) The Urdu Hindi controversy 1867
(B) Partition of Bengal 1905 ✓
(C) Jallianwala Bagh tragedy 1919
(D) All of these events