<Table> <Tr> <Th_colspan="2"> Independence Day of India </Th> </Tr> <Tr> <Td_colspan="2"> The National Flag of India hoisted at the Red Fort in Delhi; hoisted flags are a common sight on Independence Day . </Td> </Tr> <Tr> <Th> Also called </Th> <Td> स्वतंत्रता दिवस </Td> </Tr> <Tr> <Th> Observed by </Th> <Td> India </Td> </Tr> <Tr> <Th> Type </Th> <Td> National </Td> </Tr> <Tr> <Th> Significance </Th> <Td> Commemorates the independence of India </Td> </Tr> <Tr> <Th> Celebrations </Th> <Td> Flag hoisting, parade, fireworks, singing patriotic songs and the National Anthem Jana Gana Mana, speech by the Prime Minister of India and President of India </Td> </Tr> <Tr> <Th> Date </Th> <Td> 15 August </Td> </Tr> <Tr> <Th> Frequency </Th> <Td> Annual </Td> </Tr> <Tr> <Th> First time </Th> <Td> 15th August 1947 </Td> </Tr> <Tr> <Th> Related to </Th> <Td> Republic Day </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Independence Day of India </Th> </Tr>

When was the first independence day celebrated in india