In Africa early civilisations were seen in Egypt and in Nubia, including the Kushites.
The Indus Valley
Not much is known about the Indus valley, which had a thriving empire, which resided in modern day India
Monoan Civilisation
The Minoans arrived in Crete around 2,600 BCE and by 2000 BCE had built a civilisation.
Ancient Mesoamerica
Not much is known about the Olmecs that were located in the present day gulf of Mexico, however, evidence points to them being a thriving and civilised empire.