7th September 1921
Commemorations are held to mark the anniversary of the First Battle of the Marne at Meaux Cathedral, France.
Ship Losses:
Almanzora (United Kingdom) The ocean liner ran aground at Oporto, Portugal. Her 1,200 passengers were taken off on 8 September. She was refloated on 13 September.
Thyra (Greece) The cargo ship sank off Lemnos.