DERRY'S WALLS
7 December 1688 The siege of Derry in 1689 was the first major event in the Williamite War in Ireland. The siege was preceded by a first attempt against the town by Jacobite forces on 7 December 1688 that was foiled when 13 apprentices shut the gates. This was an act of rebellion against James II.
From Wikipedia: Siege of Derry https://en.wikipedia.org/wiki/Siege_of_Derry
Wikipedia: Robert_Lundy  https://en.wikipedia.org/wiki/Robert_Lundy
Derry's Walls (Apprentice Boys Loyalist Song)     https://www.youtube.com/watch?v=TlXoRNA5mUY
“Derry's Walls” From Wikipedia     https://en.wikipedia.org/wiki/Derry%27s_Walls
"The Siege of Derry" by Alice Osborn https://www.youtube.com/watch?v=a07JICnCe50

Thanks for this one Felipa