Arabs By hoffman54 Apr 4, 1901 in 3000 b.c. the summerians built the world's first known city in Mesopotamia in 3000 b.c. the summerians built the world's first known citty in Mesopotamia Apr 12, 1901 Akkadians conquered the Summerian cities n 2350 B.C. Feb 4, 1902 muhammad lived around mecca from 570 to 632 Mar 23, 1902 around 550 b.c. and empire developed in persia where iran is now Apr 4, 1902 king darius built Persepolis and 500 b.c., which was the capitol of his empire Mar 13, 1906 in the 1200s the mongols came from central asia to conquer afghanistan, iraq, and iran Aug 13, 1906 The rulers called safavids came to power in 1500 Mar 13, 1907 safavid dynasty ended in the mid 1700s after the line of hereditary leaders ended Mar 13, 1908 expanding british and russian empires tried to gain controll of iran and afghanistan in the 1800s Mar 13, 1910 in 1932 Iraq and Saudia Arabia became independant countries