Yemen

Although, Zaidi government in Yemen had ups and downs and sometimes, Zaidis lost the power, they could possess the power for about 11 centuries. The table below gives a report about Zaidi rulers:

Zaidi Ruler	Ruling Period	Comments
Al-Hadi Yahya b. al-Husayn	280/893-94 – 298/910-11	-
Al-Murtada li-Din Allah	298/910-11 – 310/922-23	-
Al-Nasir li-Din Allah	310/922-23 – 315/927-28	-
-	Until late 4th/10th century	Zaidis had conflicts among themselves and had disputes with Isma'ilis and they had no major ruler.
Al-Mansur bi-Allah al-Qasim b. 'Ali	d. 393/1002-3	-
Al-Mahdi li-Din Allah al-Husayn b. al-Qasim	393/1002-3 – 404/1013-14	He had special followers who believed in his occultation and Mahdism and were called Husaynis. At that time, Zaidis were divided to two sects of Mutrafiyya and Mukhtari'a.
Al-Nasir li-Din Allah Abu l-Fath al-Daylami	d. 444/1052-53	He was killed by Isma'ilites of Yemen and that was the end of the first period of Zaidis' ruling in Yemen.
Al-Mutawakkil 'Ala Allah Ahmad b. Sulayman	532/1137-38 – 566/1170-71	He seriously stood against Mutrafiyya thoughts.
Al-Mansur bi-Allah 'Abd Allah b. Hamza	566/1170-71 – 614/1217-18	He is called the reviver of Zaidi thoughts in the 6th/12th century.
Al-Mahdi li-Din Allah Ahmad b. al-Husayn	d. 656/1258	Some Zaidis thought that he was al-Mahdi (the savior).
Al-Mansur bi-Allah al-Hasan b. Badr al-Din Muhammad	d. 670/1271-72	He was among the most famous imams of Zaidis, having genuine Zaidi thoughts in middle centuries
Al-Mutawakkil 'Ala Allah Mutahhar b. Yahya	d. 697/1297-98	He was known as al-Muzallal bi-l-Ghamam
Al-Mahdi li-Din Allah Muhammad	d. 728/1328	He and his father Al-Mutawakkil 'Ala Allah were two revivers of Zaidi thoughts at the beginning of the 8th/14th century.
Al-Mu'ayyad bi-Allah Yahya b. Hamza	729/1328-29 - 749/1348-49	He had many important works.
Al-Mahdi li-Din Allah Ahmad b. Yahya	d. 840/1436-37	He was known as Ibn Murtada. He was the reviver of Zaidi thoughts at the beginning of the 9th century AH
Al-Hadi ila l-Haqq 'Izz al-Din b. al-Hasan	d. 900/1494-95	Among great Zaidi theorists
Al-Mutawakkil 'ala Allah Yahya Sharaf al-Din	d. 965/1557-58	After him, for about 50 years, no Zaidi ruler had the power in Yemen, and the country was ruled by Ottoman Turks.
Al-Mansur bi-Allah al-Qasim b. Muhammad b. 'Ali	1006/1597-98 - 1029/1620	He had important works and influential students. He is introduced as the reviver of Zaidi thoughts in that century.
Al-Mu'ayyad bi-Allah Muhammad	1029/1620 - 1054/1644-45	-
Al-Mutawakkil 'ala Allah Isma'il	1054/1644-45 - 1087/1676-77	After these two, for about two centuries, Zaidis had civil wars and this made Ottoman Turks to regain the power in Yemen.
Al-Mansur bi-Allah Muhammad b. Yahya Hamid al-Din	d. 1322/1904-5	-
Al-Mutawakkil 'ala Allah Yahya	d. 1367/1947-48	The fights began at the time of al-Mansur against Ottoman government were successful at his time and Yemen was released from Ottoman's control.
Muhammad al-Badr	1962	He was disposed of power after a coup and it ends the government of Zaidis in Yemen. He fought the government of Yemen for eight years, but he failed and finally, he died near London.