No one knows. They are ancient weapons. From Wiki: "Historically, crossbows played a significant role in the warfare of East Asia since the 4th century B.C.'
The crossbow itself predates the patent system by thousands of years, but there are more than 3,100 patents on crossbow designs and improvements.
Around 3,000 years old. No exact birth date for the city of Greece.
The Chinese arent the one who create the crossbow, and they aren't creating it for any purpose... They stole the crossbow from the Vietnamese when they take over Vietnam thousand years ago...The crossbow was introduced to Europe around 900 CE and it could be 200 years earlier. They are traced to the Saracens as the inventors of the crossbow.
Crossbow or archery? If crossbow, I think 14+, and if archery- as young as 6 (starting age)
About 2018 years old. His exact birth date is not known
About 1000 years old to be exact.
500000000 years to be exact if they change they're skin
Buddism is some 2500 years old. The exact date of its founding is difficult to determine in much the same way that the exact date of the Christian's Jesus' birth is an approximation.
it used to be a drugy but now its not
No
She is 18 years old.
Nessie is around 4 hundred years old