Complete the following sentence: The khanate is said to have been founded in 1466 but did not become fully separate from the Golden Horde until the Horde's end in 1502. 1459 <unk> Golden Horde ruler Küchük Muhammad died and power was split between his sons Ahmed Khan bin Küchük, the man who lost Russia in 1480, and Mahmud bin Küchük who was based around Astrakhan. <unk> 1459 <unk> Golden Horde ruler Küchük Muhammad died and power was split between his sons Ahmed Khan bin Küchük, the man who lost Russia in 1480, and Mahmud bin Küchük who was based around Astrakhan. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Ambrogio Contarini visited it in 1476. Howorth (only) says it was besieged by Ahmed and Ibak Khan some time before 1480. The Russian Wikipedia (only) says it was besieged by Ibak's brother and the Nogais in 1492. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Diplomatic contact with Moscow began in 1532 or earlier.<unk> Diplomatic contact with Moscow began in 1532 or earlier. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️ 1551 Yamghurchi of Astrakhan made a nominal submission to Moscow. <unk> <unk> <unk> Russia sent 30,000 troops against him. 1554 he fled the town and Russia imposed its client Dervish Ali Astrakhani who soon began intriguing with the Crimeans. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ 1558 'Astrakhan' was moved 12 km south to its present location. ️<unk>️<unk>️<unk>
Ottomans were unable to regain Astrakhan for Islam.<unk> Ottomans were unable to regain Astrakhan for Islam.