1967 - Montreal, Canada - Expo '67, (Universal and International Exhibition of 1967) the most successful Fair ever, drawing more than 50 million visitors.
... (1254-1323), travelled to China in the 13th century.
John Wesley Powell, (1834-1902), explorer, environmentalist
Nathaniel Pryor[?], (c 1785-1850), US explorer
Pytheas, ...