Texas Architecture portalThis category is for buildings and structures completed in the decade 870s. 820s830s840s850s860s870s880s890s900s910s920s 4th5th6th7th8th9th10th11th12th13th14th Subcategories This category has the following 4 subcategories, out of 4 total. 0–9 Buildings and structures completed in 870 (1 C) Buildings and structures completed in 871 (1 C, 1 P) Buildings and structures completed in 875 (1 C)R Religious buildings and structures completed in the 870s (3 C)