<Table> United States of America <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Names </Th> <Td> The American flag, The Stars and Stripes; Red, White, and Blue; Old Glory; The Star - Spangled Banner; US flag; United States flag </Td> </Tr> <Tr> <Th> Use </Th> <Td> National flag and ensign </Td> </Tr> <Tr> <Th> Proportion </Th> <Td> 10: 19 </Td> </Tr> <Tr> <Th> Adopted </Th> <Td> <Ul> <Li> June 14, 1777 (original 13 - star version) </Li> <Li> July 4, 1960 (current 50 - star version) </Li> </Ul> </Td> </Tr> <Tr> <Th> Design </Th> <Td> Thirteen horizontal stripes alternating red and white; in the canton, 50 white stars of alternating numbers of six and five per horizontal row on a blue field </Td> </Tr> <Tr> <Td_colspan="2"> </Td> </Tr> </Table> <Tr> <Th> Names </Th> <Td> The American flag, The Stars and Stripes; Red, White, and Blue; Old Glory; The Star - Spangled Banner; US flag; United States flag </Td> </Tr>

When was the last star added to the united states flag