378: Blwyddyn
3g - 4g - 5g 320au 330au 340au 350au 360au - 370au - 380au 390au 400au 410au 420au 373 374 375 376 377 - 378 - 379 380 381 382 383
Digwyddiadau
- 9 Awst - Brwydr Adrianople; gorchfygir byddin yr Ymerodraeth Rufeinig gan y Gothiaid a lleddir yr ymerawdwr Valens.
Genedigaethau
- Germanus o Auxerre, esgob Auxerre
Marwolaethau
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