Alexander the Great was bisexual. He married several former princesses, but also had a sexual relationship with his childhood friend, Hephaestion. This relationship was considered to be out of the norm in Greece at the time. It was more common for older men to be with younger boys (pederasty). Further information on Alexander’s sexuality can be found here: http://wso.williams.edu/~junterek/sex.htm
Alexander the Great was a Greek King of Macedon. He was born in Pella and tutored by Aristotle. He is considered to be one of the most successful commanders in history – he created a huge empire by age 30.