<Table> <Tr> <Th_colspan="3"> Battle of Bosworth </Th> </Tr> <Tr> <Td_colspan="3"> Part of the Wars of the Roses </Td> </Tr> <Tr> <Td_colspan="3"> Battle of Bosworth, as depicted by Philip James de Loutherbourg (1740--1812) </Td> </Tr> <Tr> <Td_colspan="3"> <Table> <Tr> <Th> Date </Th> <Td> 22 August 1485 </Td> </Tr> <Tr> <Th> Location </Th> <Td> Near Ambion Hill, south of Market Bosworth, Leicestershire, England </Td> </Tr> <Tr> <Th> Result </Th> <Td> <P> Decisive Tudor victory </P> <Ul> <Li> Final overthrow of House of York </Li> <Li> Last Yorkist monarch Richard III killed in action </Li> <Li> Ascension of Tudor dynasty </Li> </Ul> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th_colspan="3"> Belligerents </Th> </Tr> <Tr> <Td> House of York </Td> <Td> <P> House of Tudor (Lancastrian) </P> Supported by: Kingdom of France </Td> <Td> Stanley family </Td> </Tr> <Tr> <Th_colspan="3"> Commanders and leaders </Th> </Tr> <Tr> <Td> <P> Richard III † John Howard, Duke of Norfolk † Henry Percy, Earl of Northumberland (didn't fight) John de la Pole, Earl of Lincoln Richard Ratcliffe † Thomas Howard, Earl of Surrey (POW) </P> Francis, Viscount Lovell </Td> <Td> <P> Henry Tudor, Earl of Richmond Jasper Tudor, Earl of Pembroke John de Vere, Earl of Oxford Sir Gilbert Talbot Sir Philibert de Chandée </P> Rhys ap Thomas </Td> <Td> <P> Thomas, Lord Stanley </P> Sir William Stanley </Td> </Tr> <Tr> <Th_colspan="3"> Strength </Th> </Tr> <Tr> <Td> 7,500--12,000 </Td> <Td> 5,000--8,000 </Td> <Td> 4,000--6,000 </Td> </Tr> <Tr> <Th_colspan="3"> Casualties and losses </Th> </Tr> <Tr> <Td> unknown </Td> <Td> 100 </Td> <Td> Unknown </Td> </Tr> </Table> <Tr> <Th_colspan="3"> Battle of Bosworth </Th> </Tr>

When did the battle of bosworth begin and end