<Tr> <Td> Danish rule </Td> <Td> 1380--1918 </Td> </Tr> <Tr> <Td> Reformation </Td> <Td> 1536--1627 </Td> </Tr> <Tr> <Td> Danish Trade Monopoly </Td> <Td> 1602--1874 </Td> </Tr> <Tr> <Td> Eruption of Laki </Td> <Td> 1783--1785 </Td> </Tr>

How long did it take the vikings to sail to iceland