Complete the following sentence: Mahlangu was born in Pretoria on 10 July 1956, the second son of Martha Mahlangu. ️<unk>️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️
Soweto uprising that resulted in school closures.<unk>