1259
He became the first Ummayid Caliph and two decades later , under the Caliphate of his son Yazid , Imam Hussein bin Ali ( grandson of Muhammed ) was killed by his armies at present day Karbala .
 start position: became
Please tell me event type and its trigger word from given type options. Output format is "type: trigger".  Option: declare bankruptcy, transfer ownership, marry, die, phone write, arrest jail, convict, sue, transfer money, end organization, start organization, end position, merge organization, start position, transport, charge indict, elect, attack, injure, born, extradite, release parole, sentence, demonstrate, meet, trial hearing, divorce, nominate, fine, appeal, pardon, execute, acquit 
Text: {0} 
Answer:
 start position: became