The Year 1917 was very important for the Wright Brothers as it was the year when their Patent was going to expire.
The Wright brothers are widely regarded as the pioneers of winged and controlled flight. Since their test flight in 1903 at Kitty Hawk, the Brothers not only became famous for their invention but also notorious for their absurd patent war tactics.
After their invention many local as well as international engineers had developed workable concepts of an airplane. Many of which were actually more advanced and safer than their version.
They knew their patent would expire in 1917 and before that, they launched massive patent wars all over the world to protect their invention and more importantly collect fees.
It made Anwar Sadat unpopular in the Arab community when he decided that Egypt should make peace with Israel. Furthermore, Anwar Sadat proved to be iron-fisted because he led the nation in times of domestic crisis and also due to his policies that made the lives of the Egyptian people better.
Answer:
It became known as "the empire on which the sun never sets". Hope this helps
Explanation:
<span>Advances that were made during the Han Dynasty:
Predict eclipses of the sun
Doctor's created new medicines
Chinese language grew from 3000 to 9000 characters
Paper was invented
Wheelbarrows and fine vases and china
Seismograph</span>
