Battle of Dandanaqan
23 May 1040
The Battle of Dandanaqan (Persian: نبرد دندانقان) was fought in 1040 between the Seljuq Turkmens and the Ghaznavid Empire near the city of Merv (now in Turkmenistan). The battle ended with a decisive Seljuq victory, which subsequently brought down the Ghaznavid domination in Greater Khorasan.