Saimin-Saimin Fruit/History & Discovery

History of Devil's Fruit
Some time before the start of Hedgehog Piece, Viu managed to get ahold of this Devil's Fruit and ate it. The rest of the fruit's past is unknown, with and without Viu in the picture.

Discovery of Devil's Fruit
When the Saimin-Saimin Fruit was discovered is much of a mystery and has yet to be explained/revealed within the story of Hedgehog Piece.