<Tr> <Th_colspan="8"> Year </Th> <Th> Washington's Birthday </Th> </Tr> <Tr> <Td> 1999 </Td> <Td> </Td> <Td> </Td> <Td> 2016 </Td> <Td> 2021 </Td> <Td> 2027 </Td> <Td> </Td> <Td> 2038 </Td> <Td> February 15 </Td> </Tr> <Tr> <Td> 1998 </Td> <Td> </Td> <Td> 2009 </Td> <Td> 2015 </Td> <Td> </Td> <Td> 2026 </Td> <Td> 2032 </Td> <Td> 2037 </Td> <Td> February 16 </Td> </Tr> <Tr> <Td> </Td> <Td> 2003 </Td> <Td> </Td> <Td> 2014 </Td> <Td> 2020 </Td> <Td> 2025 </Td> <Td> 2031 </Td> <Td> </Td> <Td> February 17 </Td> </Tr>

When was presidents day established as a holiday