9 Months in a Human's Gestation Period
Four Horsemen of the Apocalypse.
pH with one hydrogen?
1 Atomic Weight of Hydrogen
9 C of H in D I? 9 circles of hell in Dante's inferno.
6 wives of Henry the eighth
"Ten Green Bottles Hanging on the Wall" (lyrics of a children's song; other versions have the bottles "sitting" or "standing").
3 hands of a clock
3 Stacks (Chimneys) on a Steam Ship
The Inn of the 6th Happiness
1 wheel on a wheelbarrow
This is a Ditloid. The answer is 7 Hills of Rome.
This is a Ditloid. The answer is 7 Hills of Rome.