<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (January 2017) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (January 2017) (Learn how and when to remove this template message) </Td> </Tr> <Table> <Tr> <Th_colspan="2"> National Sorry Day </Th> </Tr> <Tr> <Th> Also called </Th> <Td> Sorry Day </Td> </Tr> <Tr> <Th> Observed by </Th> <Td> Australia </Td> </Tr> <Tr> <Th> Type </Th> <Td> Cultural </Td> </Tr> <Tr> <Th> Significance </Th> <Td> Remember and commemorate the mistreatment of Australia's indigenous population </Td> </Tr> <Tr> <Th> Date </Th> <Td> 26 May </Td> </Tr> <Tr> <Th> Next time </Th> <Td> 26 May 2019 (2019 - 05 - 26) </Td> </Tr> <Tr> <Th> Frequency </Th> <Td> Annual </Td> </Tr> <Tr> <Th> First time </Th> <Td> 26 May 1998 (1998 - 05 - 26) </Td> </Tr> </Table> <Tr> <Th_colspan="2"> National Sorry Day </Th> </Tr>

When did the government apologize for the stolen generation