Javelin

In 387 BC the italians beat the romanes the empire spear was 7mm in diameter and 60 cm long the range of the spear 15 to 20 meters in rang how the empire sword was short

and  used as a meeling.

And thee spear was 400,000 years old how long is the spear can be up to 1.83 or

2.25 meters long the spear was very thick when they used this spear it was 500,000

years ago.