no. 1986 upside down is 1689
Yes, if you were to flip 1966 upside down it would be 1999.
Sort of - it's been rotated by 180 degrees. if it was simply flipped, it would read 8ee1
1961 was the last year that read the same upside down and right side up. After 1961, the next year that will satisfy this condition is 6009.
1961 can be read the same way right side up and upside down.
1913
1961
1961
1998
It was a topsy - turvy year! 1881 - 1881 Turn the year upside down and you'll see!
1961
1111
It's only upside down for half the year, because it revolves around the polar star. It is said in Greek mythology that because Cassiopeia was so vain in life, Poseidon punished her by forcing her to sit in an upside down throne for half of the time.