The 2018 and 2019 Worldcons will present Retrospective Hugo Awards for the years 1943 and 1944, the two conventions announced jointly at SMOFCon 35, the annual SF/F conrunners convention, in Boston on December 2, 2017.
Worldcon 76 in San José will present the 1943 Retrospective Hugo Awards for works first published/appearing in 1942. Dublin 2019: An Irish Worldcon will present the 1944 Retrospective Hugo Awards for works first published/appearing in 1943.