I'm not even sure what my first Lego Castle set was ... I know the first Pirate and Town sets ... but not Castle. Something small ... probably 6042 Dungeon Hunters. At least, that was my first knight and Forestman. Then again it could have been 6018 Battle Dragon or a 6034 Black Monarch's Ghost. Those were happy days, spending my time watching Disney's Robin Hood and building bricks on the floor. Pure imagination running wild.
Lego Castle ... Happy Birthday, you're a year older than me, and finally reached the point where you really are Classic.