Timeline: Son Brown: Our Family History

1839 - 1839 (0 years)

	Date	Event(s)
1	1837	4 Mar 1837—4 Mar 1841: Martin Van Buren U.S. Presidency
2	1839	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