The Crossbow is a weapon used since ancient times up to today
Crossbows in Alexander Inheritance[]
Crossbows were one of the things that the Up-timers of the Queen of the Sea improved upon when they arrived
These up-timer based crossbows proved useful when Cleopatra's defenders (mostly old men, women and children) used them in the Siege of Tyre against the rebels led by Antigonius One-Eye
Crossbows in 1632 series[]
The use of crossbows in military actions has severely decreased by the time of the 17th century even before the Ring of Fire. However, crossbows were still used by peasants and backward towns
Note: While crossbows did exist in Ancient Greece and Ancient Sumeria, the design that the up-timers gave to the down-timers in Alexander Inheritance did not