Maps of War has a Flash movie depicting 5,000 years of religious history in 90 seconds. Or, more precisely, 5,000 years of idealized religious history that grants religion a lot more credit than it deserves. It starts with the birth of Hinduism 5,000 years ago, continues with Judaism 4,000 years ago, then Buddha, then Jesus, and then Muhammad, and ends at the present boundaries of the five religions.
All atheists and most other nontheists deny the existence of every religion’s deities. But they will often accept the basic historical truth of each religion – for example, the existence of the Three Patriarchs, the Exodus, the conquest of Canaan, and the establishment of the Kingdoms of Israel and Judea.
The History of Religion feature is no different. Its part about Judaism concedes that Abraham existed and that the conquest of Canaan was real. Real historians of religion beg to differ: there’s no archeological or linguistic evidence Judaism even existed before the early 1st millennium BC.
Similarly, Hinduism dates way later than 3000 BC. At the time, the inhabitants of India were all Dravidians; the Indo-Aryans only reached India around 1500 BC. It took that long for Sanskrit to even split from Avestan. The Rig-Veda dates to 1500 BC at earliest, based on linguistic evidence.
As for Islam, there isn’t any evidence the religion even existed before the 8th century AD. It’s a lot likelier that an Arab empire developed Islam after coming into contact with Jews and Christians in Syria than that a merchant invented Islam and then proceeded to conquer the entire Arabian peninsula.
But the weakest part of the Flash clip is the one about Buddhism. Non-monotheistic religions display extreme levels of diversity, which Westerners (including Muslims, since Islam is essentially part of the West) tend to be very bad at categorizing.
Of the five religions listed in the clip, what is practiced in China or Japan is closest to Buddhism. But there are more than these five religions. Japan is supposedly Shinto and really nonreligious. China has three teachings – Buddhism, Taoism, and Confucianism – of which the latter is the most important both historically and in terms of what the current government is gravitating toward.