<P> Initial reports often utilize "fast national" ratings, which are subject to revision . Game 7 had over 40 million viewers, the largest audience for a baseball game since Game 7 of the 1991 World Series, while the series as a whole was the first to average double - digit ratings nationally since 2009 . </P> <Table> <Tr> <Th> Game </Th> <Th> Ratings (households) </Th> <Th> Share (households) </Th> <Th> U.S. audience (in millions) </Th> <Th> Ref </Th> </Tr> <Tr> <Th> </Th> <Td> 11.3 </Td> <Td> 20 </Td> <Td> 19.37 </Td> <Td> </Td> </Tr> <Tr> <Th> </Th> <Td> 10.2 </Td> <Td> 18 </Td> <Td> 17.40 </Td> <Td> </Td> </Tr> <Tr> <Th> </Th> <Td> 11.0 </Td> <Td> 20 </Td> <Td> 19.38 </Td> <Td> </Td> </Tr> <Tr> <Th> </Th> <Td> 9.3 </Td> <Td> 18 </Td> <Td> 16.71 </Td> <Td> </Td> </Tr> <Tr> <Th> 5 </Th> <Td> 13.1 </Td> <Td> 21 </Td> <Td> 23.64 </Td> <Td> </Td> </Tr> <Tr> <Th> 6 </Th> <Td> 13.3 </Td> <Td> 23 </Td> <Td> 23.40 </Td> <Td> </Td> </Tr> <Tr> <Th> 7 </Th> <Td> 21.8 </Td> <Td> 37 </Td> <Td> 40.05 </Td> <Td> </Td> </Tr> <Tr> <Th_colspan="5"> </Th> </Tr> </Table> <Tr> <Th> Game </Th> <Th> Ratings (households) </Th> <Th> Share (households) </Th> <Th> U.S. audience (in millions) </Th> <Th> Ref </Th> </Tr> <Tr> <Th> </Th> <Td> 11.3 </Td> <Td> 20 </Td> <Td> 19.37 </Td> <Td> </Td> </Tr>

What was the date the cubs won the world series