Approximately how far did the isiamic empire stretch?

the Islamic empire traditionally was said to have ended with the fall of Abbasid caliphate due to Mongol invasions and the Siege of Baghdad in 1258 AD. the empire ended in the late 15th and 16th centuries.

hope this helps

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.