It has also been suggested that the rhyme records the attempt by King Charles I to reform the taxes on liquid measures. He was blocked by Parliament, so subsequently ordered that the volume of a Jack (1/2 pint) be reduced, but the tax remained the same. This meant that he still received more tax, despite Parliament's veto. Hence "Jack fell down and broke his crown" (many pint glasses in the UK still have a line marking the 1/2 pint level with a crown above it) "and Jill came tumbling after". The reference to "Jill", (actually a "gill", or 1/4 pint) is said to reflect that the gill dropped in volume as a consequence
As far as the Nursery rhyme in concerned, they just did, no reason given. A historical interpretation refers to Louis XVl and Marie Antoinette of France. Louis was deposed and beheaded, thus Jack fell down and lost his crown. Marie Antoinette suffered the same fate, so Jill came tumbling after.
In the children's nursery rhyme, Jack and Jill, it was only Jack who fell down and broke his crown. If he went running home to his mom it was so she could tend to his injuries.
The hill did when they fell down it.
They fell back down
Jack and Jill went up the hill. Jack or Jill fell down again.
jack and jill should avoid the hill top. because when jack and jill went up the hill, jack fell down.
Jack and Jill went up the hill to fetch a pail of water Jack fell down and broke his crown and Jill came wandering after.
Water fall - a pail of water fell toytown teenagers fell down hill
It wasn't Willie who fell down and broke his crown, it was Jack and Jill was the one who went tumbling after him. This is from the Jack and Jill nursery rhyme.
Jack fell down the hill (most likely pushed down by Jill) and sustained a massive skull-fracture.
It was Jack in the children's nursery rhyme, Jack and Jill who ran home to his mom after he fell down and broke his crown, getting hurt on the hill with Jill.
Well Jack fell down the hill and Jill tumbled after which implies she either also tripped or she thought that rolling down the hill looked like fun and decided to join him.