Disappearance of Pauline Picard
The disappearance of Pauline Picard was the case of a missing Breton toddler in 1922. Pauline Picard was discovered missing on 6 April 1922 from her family's farm in Saint-Rivoal, Brittany, in France.
Source: Wikipedia — Disappearance of Pauline Picard (CC BY-SA 4.0)