The US business delegation, headed by US Secretary of Commerce Ronald Brown, was killed in a plane crash on the Sveti Ivan Hill near Dubrovnik airport on April 3, 1996.
Remembering Secretary Brown and his associates, US Ambassador Robert Bradtke said today's gathering was proof that Brown's mission would be continued.
Two Croatians were killed in the plane crash as well.
A delegation of Dubrovnik County and city officials laid wreaths at the site of the crash on the Sveti Ivan Hill.