<Table> <Tr> <Th_colspan="2"> Father's Day </Th> </Tr> <Tr> <Th> Observed by </Th> <Td> United States </Td> </Tr> <Tr> <Th> Type </Th> <Td> Commercial </Td> </Tr> <Tr> <Th> Significance </Th> <Td> Honors fathers and fatherhood </Td> </Tr> <Tr> <Th> Date </Th> <Td> Third Sunday in June </Td> </Tr> <Tr> <Th> 2017 date </Th> <Td> June 18 (2017 - 06 - 18) </Td> </Tr> <Tr> <Th> 2018 date </Th> <Td> June 17 (2018 - 06 - 17) </Td> </Tr> <Tr> <Th> 2019 date </Th> <Td> June 16 (2019 - 06 - 16) </Td> </Tr> <Tr> <Th> 2020 date </Th> <Td> June 21 (2020 - 06 - 21) </Td> </Tr> <Tr> <Th> Frequency </Th> <Td> annual </Td> </Tr> <Tr> <Th> Related to </Th> <Td> Mother's Day </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Father's Day </Th> </Tr>

When was the last time fathers day was on june 18