29th October, 1644. The Battle at Fyvie Castle. Some sources suggest that the song THE BONNIE LASS O’ FYVIE refers to the capture of the Fyvie Castle by Montrose's Royalist army in 1644.

The Bonnie Lass o' Fyvie from Wikipedia     https://en.wikipedia.org/wiki/The_Bonnie_Lass_o%27_Fyvie ;
Many recordings of “ The Bonnie Lass o' Fyvie”on YouTube     https://www.youtube.com/results?search_query=BONNIE+LASS+O%E2%80%99+FYVIE
Information,lyrics and tune from contemplator.com     https://www.contemplator.com/scotland/fyvie.html


The song is known by a variety of other names, the most common of them being "Fennario" , "The Maid of Fife "and "Peggy-O".
Many recordings of "Fennario" on YouTube     https://www.youtube.com/results?search_query=%22Fennario%22
Many recordings of "The Maid of Fife" on YouTube     https://www.youtube.com/results?search_query=%22The+Maid+of+Fife%22
Many recordings of "Peggy-O" on YouTube     https://www.youtube.com/results?search_query=%22Peggy-O%22