when were the first canoes developed
The Phoenicians developed the first alphabet
The first robots were developed in Japan.
the first ROV was developed in 1953
who developed the first soft ware and how
which is the first country developed hydroelectricity
Germany developed the first Zeppelin
The first kindergarten was developed in Germany, and the first vocational schools were developed in the United States.
The Egyptians developed the first accurate calendar.
The first operating system was developed in the 1950s.
It was first developed in Wisconsin
Jonas Salk developed the first polio vaccine in 1952.