September 1, 1882, through August 31, 1883 Tarzan Of The Apes

Date:  September 1, 1882, through August 31, 1883
Event:  Tarzan began to realize he was different than the Mangani. The ape boy becomes the greatest trickster in the tribe. Tarzan managed to enter his father's cabin for the first time. Tarzan finds his mother's locket, his father's diary, and his father's hunting knife. He killed Bolgani, the gorilla, after being attacked, while leaving the cabin.
Source:  "Age ten," ERB-Tarzan Of The Apes.