1999 : Biden Bragging About Bombing Belgrade

"On May 7, 1999, during the NATO bombing of Yugoslavia (Operation Allied Force), five U.S. Joint Direct Attack Munition guided bombs hit the People's Republic of China embassy in the Belgrade district of New Belgrade, killing three Chinese journalists and outraging the Chinese public."

https://en.wikipedia.org/wiki/United_States_bombing_of_the_Chinese_embassy_in_Belgrade#:~:text=On%20May%207%2C%201999%2C%20during,and%20outraging%20the%20Chinese%20public.