| 150 | The world's populations begin to fall | Over the course of 250 years, Rome's population dropped from about 65 million to 50 million. Some people believe this was because of a global cold front that swept the earth. |
| 300 | The Roman Empire begins to decline | The Romans slowly lost their control of the empire as other, stronger groups moved through the area. There were many battles, and the Romans were defeated. |
| 400 | The people scattered through the lands | As the Roman Empire fell apart, the new groups of people scattered across the land. They were uneducated people who spoke different languages, and they replaced the more civilized Romans. |
| 500 | The Byzantine Empire continues to rule | In spite of the fighting going on around Western Europe, the Byzantine Empire continued to hold their land for another 200 years. |
| 600 | The Bulgarians begin expanding their kingdom | The Bulgars led attacks along the Black Sea and began establishing a powerful rule. |
| 650 | A rise in Islamic victories | Muslim people began moving into what had been Roman territory in the past. Their influence spread quickly and they took over many lands. |
| 700 | Western Europe begins to see improvement | Historical records show that the temperatures began to warm up, and crops began to grow. The population and farms saw an increase. |
| 750 | Education begins to rise again | Life settled down some, and after the fighting and death of so many people, those who were left began to focus on education once again. |
| 800 | The people fall into a new pattern of life | As the weather warmed, the people fell into a regular way of life. Lands were split into 1 acre blocks of land, and they were farmed. |
| 850 | Italy is split into many lands | Italy went through a time of turmoil. The north was ruled by the Franks, and the south was ruled by the Muslim people. |
| 850 | Charlemagne takes charge | Charlemagne led the Frankish people through Italy, and then continued west. He established what became France, and he helped spread Christianity. |
| 865 | The Vikings invade Britain | A Viking army moved into Britain and took over the island. They eventually established the Kingdom of England. |
| 927 | The Bulgarian Orthodox Church | The Bulgarians established the first European national church of the age with the Bulgarian Orthodox Church. |
| 1000 | The abacus was brought to Europe | The Muslim nations had developed the abacus for mathematics, and as more Muslim people migrated west, they brought their teachings with them. |
| 1000 | Christianity is on the rise | As Christianity spread through the lands, the people began to settle down. The lands settled firmly into their own kingdoms, and the fighting died down for a time. It was considered the end of the "Dark Ages". |