Two boys dressed up in toy armour

Events for 17 July 2013

The following events were found for the selected date:

Did you know?

Longest-range gun ever built

In WW I Germany built the longest-range gun ever. Its 100kg projectile travelled 122km, and left the muzzle at 1500 metres per second and reached a height of around 40km. About 6 times faster and higher than an average transatlantic passenger jet.