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| 105 Cai Lun invents paper in China |
| 105 First star chart Ptolemy |
| 114 Trajans Column built. 140 feet high. |
| 131 - 216 75 Claudius Galenus, (Galen) Greek Physician. Wrote 500 books on Medicine & 250 on other subjects. |
| 192 Septimius Severus bult a wall at York |
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| 200 Camels first used for trans-Saharan transport |
| 200s First glasses in Syria |
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| 375 - 568 193 Migration period of people entering Europe from north due to cold period.Beginning with anvasion of Europe by Huns in 375 and finishing with invasion of Lumbards in 568. migrants comprised war bands or tribes of 10,000 to 20,000 people,  but in the course of 100 years they numbered not more than 750,000 in total, compared to an average 39.9 million population of the Roman Empire at that time. |
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| 400s Heavy Plow in Slavia |
| 400s Anglo Saxon Futhoric alphabet in England |
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