1839—1839: First Opium War between Britain and China (to 1842) - Britain captures Hong Kong
1839—1839: Scottish blacksmith Kirkpatrick MacMillan refines the primitive bicycle adding a
mechanical crank drive to the rear wheel,thus creating the first true 'bicycle' in the modern
Sense
1839—1839: Charles Goodyear invented vulcanized rubber
English
1839 - 1839 (0 years) 