The UN Campus, Bonn was opened by Secretary-General that served when?
UN Campus, Bonn:  It was opened in July 2006 by then-Secretary-General Kofi Annan and then-Chancellor of Germany Angela Merkel and expanded in July 2013. Kofi Annan: Kofi Atta Annan ( ; born 8 April 1938) is a Ghanaian diplomat who served as the seventh Secretary-General of the United Nations from January 1997 to December 2006.
i don't know