Welkenraedt, Belgium - Hippocratic Oath sycamore

Australian National Park, Australia - Douglas McArthur catalpa

Toorak, Australia - Nimitz Museum - destined for Guadalcanal
Plymouth, England - Johnny Appleseed apple
Istanbul University, Turkey - Hippocratic Oath sycamore
Chengdu, Sichuan Province of China - Johnny Appleseed apple
Inchon, Korea - Freedom Park - General MacArthur catalpa seeds
Taitung County, Taiwan - Office of the Magistrate - George Washington sycamore
Tokyo, Japan - Sanyo Electric Co. LTD - Johnny Appleseed seedling
Vouvry, Switzerland - Commune De Vouvry - Johnny Appleseed seeds
Rotorua, New Zealand - Forest Research Institute - Johnny Appleseed seeds
Karlstad, Sweden - Varmlands Lans Lansting, Centralsjukhuset - Johnny Appleseed seeds
South pole greenhouse, Antarctica - Irish ivy from Blarney Castle

Other historical trees with international connections:
Heliopolis, Cairo, Egypt - received olive seeds originally from the Mount of Olives in Jerusalem
Domreme, France - Joan of Arc Willow
USSR - Soviet Russia - Kremlin Ash
Ming Pagoda, China - Ming Dynasty Cypress
Lebanon - Cedar of Lebanon
Isle of Elbe (in Mediterranean Sea) - Napoleon Willow
Lincolnshire, England 1665 - Sir Isaac Newton Apple
Versailles, France - WWI Surrender site
Germany - Zoar Apple