Does Anyone Know The Exact Date The Fountain Pen Was Invented And By Who?

i know that it was invented in 1884 but i need an exact date. also i have searched who invented it i got many results saying LE Waterman but a few others to


thanx|||"The earliest historical record of a reservoir pen dates back to the 10th century. In 953, Ma'膩d al-Mu'izz, the caliph of Egypt, demanded a pen which would not stain his hands or clothes, and was provided with a pen which held ink in a reservoir and delivered it to the nib via gravity and capillary action. As recorded by Qadi al-Nu'man al-Tamimi (d. 974) in his Kitdb al-Majalis wa 'l-musayardt, al-Mu鈥檌zz commissioned the construction of the pen instructing:"