And here a few pictures with houses dated 1912.
Note the picture with the nameS of architect Paul Hamesse and Jean-Baptiste Dewin.
As for history, in 1912 a walloon socialist Jules Destrèe published an article in the “Revue de Belgique” of 15 August 1912 where he wrote “In Belgium there are Walloons and Flemings. There are no Belgians.”