Yes, if you were to flip 1966 upside down it would be 1999.
1961
1961
1961 can be read the same way right side up and upside down.
The year that can be read right side up and upside down is 1991. When flipped, the digits remain unchanged and still read as 1991. Neither 1990 nor 1999 has that property.
no. 1986 upside down is 1689
1919
1961
The year 1961 can be read upside down or right side up and still appear as "1961." This unique characteristic is due to the specific shapes of the numerals used. Other years within that range do not share this symmetrical property.
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.
1913
It was a topsy - turvy year! 1881 - 1881 Turn the year upside down and you'll see!
1961