Here is a timeline of Inventions in the Ard Marjhoola world, starting from its POD. For a timeline of events, see Timeline of events. Italics lists OTL inventions at the same time they are invented in this timeline. 952: Fountain pen invented in Fatimid Caliphate 992: Astronomical sextant in Persia 993: Geared mechanical astrolabe in Persia
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