It was in total use during WW1. It was also in use during the early part of WW2 along with the 1903's.
September, 1939 Hitler invaded Poland. Japan and China battled. Japan wanted to attack the Dutch East Indies.
WW2.
India was a major part in ww2.
Japan
All of the early helicopters were developed during WW2
Part of WW2 technique.
No. It was part of the Ottoman Empire until 1911 when it became part of the Italian Empire. After WW2 it was a sovereign state. However, following Italy's defeat in WW2 - this was, for a time, under British Control.
it played a big part in ww2
The Holocaust was a part of WW2 .
FUBAR , meaning " Fouled Up Beyond All Recognition" originated with US soldiers in the early part of WW2. ( although they were known to sometimes use a different word in place of 'fouled')
It depends what you call 'electronics' -I would estimate early in WW2