"Mary Had a Little Lamb ..."

Mary had a little lamb,
Little lamb, little lamb,
Mary had a little lamb,
Its fleece was white as snow

Everywhere that Mary went,
Mary went, Mary went,
Everywhere that Mary went
The lamb was sure to go

It followed her to school one day
School one day, school one day
It followed her to school one day
Which was against the rules.

It made the children laugh and play,
Laugh and play, laugh and play,
It made the children laugh and play
To see a lamb at school

And so the teacher turned it out,
Turned it out, turned it out,
And so the teacher turned it out,
But still it lingered near

And waited patiently about,
Patiently about, patiently about,
And waited patiently about
Till Mary did appear

"Why does the lamb love Mary so?"
Love Mary so? Love Mary so?
"Why does the lamb love Mary so?"
The eager children cry

"Why, Mary loves the lamb, you know."
Loves the lamb, you know, loves the lamb, you know
"Why, Mary loves the lamb, you know."
The teacher did reply

According to Wikipedia, the nursery rhyme was
first published (as opposed to written) as an original poem by
Sarah Josepha Hale on May 24, 1830, and was inspired by an actual incident.