Upside down year - Wikipedia Upside down year An upside down year is a year which reads the same when the ' year number ' is turned upside down, when the numerals which form the year 's number appear the same when rotated 180 degrees ( turned upside down ). The most recent upside down year was 1961, and before that where sequentially 1881 and 1691. Before that, the year 1001 began the second millennium, and before that were 3 - digit years, such as 986, 888, 689, 181, 101, etc. The next upside down year will be the extremely distant 6009. Mad magazine parodied the upside down year in March 1961. Contents 1 Upside down year in culture 2 Alternate ways to determine ' upside down years ' 3 See also 4 References Upside down year in culture In 2001, Jon Clair wrote a book of science fiction, The 1961 Experiment, citing in the introduction Mad magazine 's prediction that 1961 would be an upside - down year in several ways, not merely as a visual oddity. Alternate ways to determine ' upside down years ' One alternate understanding of ' upside down year ' is the ' flipping ' of each digit in its respective position, so that 1861 would become 1891 ( the 1s and 8 flip to 1s and 8 respectively, while the 6 flips to a 9, and the ' flipped digit year ' becomes 1891. See also Calendar year Strobogrammatic number References Jump up ^ Mad Magazine archival ' cover site ' Jump up ^ Mad Magazine, # 61, March 1961. Upside Down Year. ASIN : B00ZJHXR4U Jump up ^ MAD MAGAZINE MARCH 1961 # 61 UPSIDE - DOWN YEAR SPY VS SPY. WorthPoint Jump up ^ Clair, J. The 1961 Experiment. iUniverse, 2001. 156 pages. Page xi, Introduction : An introduction to The 1961 Experiment This article related to a particular year is a stub. You can help Wikipedia by expanding it. Retrieved from `` https://en.wikipedia.org/w/index.php?title=Upside_down_year&oldid=844960041 '' Categories : Humor comics Satirical publications Calendars Year stubs Hidden categories : Use dmy dates from June 2018 All stub articles Talk Contents About Wikipedia Add links This page was last edited on 8 June 2018, at 11 : 00 ( UTC ). About Wikipedia

Question: when was the last year that is the same upside down
Answer: 1961