Conversation so far:
what is the connection between Vlade Divac and kk partizan
In the summer of 1986, Vlade Divac was the top star of the basketball transfer season, and he ended up signing with KK Partizan for DM14,000.
when didVlade Divac start playing for KK Partizan
Vlade Divac started playing for KK Partizan in the 1986-87 Yugoslav First League season after signing with KK Partizan in the summer of 1986.
How long did Vlade Divac Play for KK Partizan?
Vlade Divac played for KK Partizan from 1986 to 1989.
Did Vlade Divac get injured playing for KK Partizan?

Question: When did he become club president?
Self-contained rewrite: When did Vlade Divac become  KK Partizan club president?