When was Rock-A-Bye created?

There is no specific information available about the exact date or time of the creation of the nursery rhyme "Rock-A-Bye." Nursery rhymes have been passed down orally through generations, and their origins can often be traced back to traditional folklore or folk songs. The earliest known written version of "Rock-A-Bye" can be found in James Orchard Halliwell's collection of nursery rhymes, "The Nursery Rhymes of England," published in 1842. However, the rhyme likely existed in some form even before that.