TIL Keyboard instrument already exist since the third century BC. The earliest known keyboard instrument was the Ancient Greek hydraulis, a type of pipe organ invented by Ctesibius of Alexandria. by whatilearned March 20, 2022, 4:49 am Read more: https://en.wikipedia.org/wiki/Keyboard_instrument What do you think? 12 Points Upvote Downvote Alexandriaancientcentury.CtesibiusearliestexistgreekhydraulisinstrumentinventedkeyboardorganpipeTILToday I learnedtype See more Previous article Slow walkers, why don’t you hurry the fuck up? Next article keybord Leave a Reply Cancel replyYou must be logged in to post a comment.