Historical clue formulations

• Child's one-piece outer garment — 2021-01-02
• TV's "___ Room" — 2011-10-31
• Toddler's jumpsuit — 2002-12-09
• Playful child — 2002-09-02
• ___ room (place for tots) — 2002-06-18
• Kind of room — 1997-12-12