*On This Day🌄 December22*

856 – An earthquake with an estimated magnitude of 7.9 struck the eastern Alborz mountains of Persia, causing 200,000 deaths.

1769 – Having been soundly defeated in battle, the Qing dynasty agreed to terms of truce, ending the Sino-Burmese War.

1937 – The Lincoln Tunnel (pictured), connecting New York City to Weehawken, New Jersey, opened.

1987 – The Zimbabwe African National Union and Zimbabwe African People's Union agreed to merge, bringing an end to the Gukurahundi, the suppression of predominantly Ndebele civilians by the 5th Brigade.

1997 – Hussein Farrah Aidid relinquished the disputed title of President of Somalia.