- The name Papillon means "butterfly" in French.
- The Papillon was known previously as the "Dwarf Spaniel."
- Marie Antoinette was an ardent admirer of Papillons.
- They were not fully represented in the AKC by their own breed club (Papillon Club of America) until 1935.
- In Europe, the drop-eared variety of Papillon is called Phalene, and it competes with equality in the ring against the erect-eared type.
- Papillons rose to fame in Spain.


