Centuries: 8th century - 9th century - 10th century
Decades: 790s 800s 810s 820s 830s - 840s - 850s 860s 870s 880s 890s
Years: 842 843 844 845 846 - 847 - 848 849 850 851 852
Events
- Succession of Pope Leo IV, (847 - 855)
Deaths
- Pope Sergius II, (844 - 847)\n