Shammar Yahri'sh
Shammar Yahri'sh full name (Shammar Yahr'ish b. Yasir Yun'im b. 'Amr Dhu'l-Adh'ar) (, "Shammar trembles") was a Himyarite king. Life. In AD 275, he led his troops to victory over Najran, Ma'rib (the Sabeans later reconquered their capital) and Hadhramaut. He succeeded in uniting much of Yemen, assuming the title "King of Saba and Dhu Raydan and Hadhramaut and Yamnat" (Yamnat may have been the name of the Southern part of Yemen). From his time forward the Himyarite kings were known as "Tubba kings", and praised for their courage and leadership in traditional Yemeni poetry. Shamar name was  recorded in Namara inscription. Diplomacy. Shammar Yahri'sh sent a delegation to the Arab tribe of al-Azd and Tanukh and to the Sassanid court in Ctesiphon, which led to an exchange of ambassadors. At about the same time, the Roman emperor Constantius II sent the missionary Theophilus to ask if churches could be built for Roman India traders in the Himyarite territory. Legacy. In about 280 AD, Shammar Yuharʿish, residing at his capital Ẓafār, united Yemen under his rule. One hundred years later Abu Karib Asad, who was nicknamed "Asad al-Kamel" (the perfect one) fulfilled the highest aspirations of  Shammar Yuharish. Under his leadership the old Sabaean Kingdom with Ma'rib as the capital was conquered and ceased to exist as an independent kingdom. The Axumites, who had become a strong power and had occupied the Tihamah and part of the highlands more than once, were driven back to Ethiopia. During his rule pre-Islamic Yemen probably reached its greatest expansion including southern parts of present Saudi Arabia and Oman as a whole. In South Arabian lore. It is believed that he conquered the Levant (Syria, Palestine). Its also believed that he subjugated the kingdom of Israel and Persia and  reached as far as the Tibet. It is also believed he invaded Northern India and acquired much loot. His father king Yasir Yun'im conquered Egypt and reached as far as the Strait of Gibraltar.