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| 1860s | 1880s | Other years in Wales |
| Other events of the decade |
This article is about the particular significance of the decade 1870–1879 to Wales and its people.
National Eisteddfod of Wales – no National Eisteddfod officially took place during this decade. 1870 – William Thomas (Islwyn) wins a bardic chair at Rhyl. [1]