Conversation so far:
What connection does Mwai Kibaki have with the constitutional referendum?
Although many government officials, including President Mwai Kibaki, had campaigned for a yes vote, the proposed new constitution was rejected by 58% of voters.
What is the NARC?
The National Rainbow Coalition (NARC) is a political party in Kenya.
What position did Mwai Kibaki hold?
On 14 October 2002, at a large opposition rally in Uhuru Park, Nairobi, Mwai Kibaki was nominated the NARC opposition alliance presidential candidate.

Question: When was he elected president?
Self-contained rewrite: When was Mwai Kibaki elected president?