Decades: 790s 800s 810s 820s 830s - 840s - 850s 860s 870s 880s 890s
Years: 838 839 840 841 842 - 843 - 844 845 846 847 848
Births
Deaths
... are made. (Usually over the internet.) At these institutions, untrained, or immoral, technicians apply all sort of useless treatments. Examples include pulsing an ...