<Tr> <Td> 23 June of each year </Td> <Td> Marking the National Day of Remembrance for Victims of Terrorism </Td> </Tr> <Tr> <Td> Last Sunday in September of each year </Td> <Td> Marking Police Officer's National Memorial Day </Td> </Tr> <Tr> <Td> 11 November of each year </Td> <Td> Marking Remembrance Day </Td> </Tr> <Tr> <Td> 6 December of each year </Td> <Td> Marking the National Day of Remembrance and Action on Violence Against Women </Td> </Tr>

When do us flags fly at half mast