<Table> <Tr> <Td> Jackie Robinson 2B Retired 1997 </Td> </Tr> </Table> <Tr> <Td> Jackie Robinson 2B Retired 1997 </Td> </Tr> <P> During the franchise's period in Montreal, the Montreal Expos retired three numbers in honor of four players, plus Jackie Robinson's number 42 which was retired throughout all Major League Baseball in 1997 . Following the move to Washington, D.C., the numbers (except 42) were returned to circulation and remain in use as of 2016, although the "Team History" section of the Nationals' website continues to refer to the numbers as "retired ." After the Expos' departure from Montreal, the National Hockey League ′ s Montreal Canadiens hung a banner in Bell Centre honoring the Expos' retired numbers . </P> <P> On August 10, 2010, the Nationals unveiled a "Ring of Honor" at Nationals Park to honor National Baseball Hall of Fame members who had played "significant years" for the Washington Nationals, original Washington Senators (1901--1960), expansion Washington Senators (1961--1971), Homestead Grays, or Montreal Expos . In late August 2016, the team dropped the criterion that an inductee be a member of the National Baseball Hall of Fame, opening membership to "anyone who has made a significant contribution to the game of baseball in Washington, D.C."; the first inductee under the new criteria was Frank Howard . The ring includes: </P>

When did the nationals win a world series