| skos:altLabel | - offensive
- invaded
- Allied attack
- French offensive into Germany
- French troops invaded Germany
- September 1939 attack
- advanced tentatively into the Saar region in early September
- a limited offensive
- attack on Germany
- attacked Germany
- brief invasion of Germany
- cautious French probe into the Saarland
- invaded the Saarland
- minor offensive
- saw only a few minor skirmishes
- token advance
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