Back in 2010, a research was being conducted with US Russian Collaboration  to find the 117th element of the periodic table. They announced that they had found 117 protons in an element. Although the element was not confirmed that temporarily named it as "Ununseptium." Now after 4 years, the evidence has finally arrived.

Unuseptium was made calcium 48 and berkelium 249. It resulted in emission of alpha particles which were the product of two decay chains, originating an atom with 117 protons and 177 neutrons.

Th above experiment proves the existence of 117th element of the periodic table but we have to find  a better way of making that element and also a better and easy name.

Source: IFLS