Old Labor Day parades and a video September 2, 2023 RWhitcomb-editor The Brotherhood of Boiler Makers Lodge 245 on Labor Day, 1915, in front of the Wonalancet Club, in Concord {N.H.}, just after marching in the Concord Labor Day Parade. — Photo at the Concord Public Library Video: See how Leominster, Mass., marked Labor Day in 1906.