The earliest artistic depiction of a hand cannon - a rock sculpture found among the Dazu Rock Carvings - is dated to 1128, earlier than any recorded or precisely dated archaeological samples, so it is possible that the concept of a cannon-like firearm has existed since the 12th century.
The oldest extant hand cannon bearing a date of production is the Xanadu Gun, dated to 1298.
The invention of corned powder, the slow match, and the serpentine lever in mid-15th-century Europe led to the development of the first matchlock firearms, which could be more effectively aimed and fired than hand cannon.
Mariah Carey and Nick Cannon may be trying to make their relationship work again.
Sources close to the famously friendly exes revealed to People that "there seems to be hope that they will get back together permanently" as they've grown close again since Carey's split from Bryan Tanaka last month.