The answer depends on the font in use. In some fonts, it could be 1961, but not in this one.
NOON
The number 6
The company with two silver upside-down V's is the automotive brand Volkswagen. The logo features a stylized "V" and "W" that can resemble two upside-down V's when viewed together. Volkswagen is known for its wide range of vehicles, including the iconic Beetle and the Golf.
In mathematics, an upside down A means "for all".
The spelling is upside down, which is hyphenated upside-down when used as an adjective.
1961
It would look upside down.
NOON
The number 6
The year 1961 can be read upside down and that won't happen again until 6009
it was torn down in the 20th century
20th century
The 20th Century.
Radar & civic are palindromes.
The Berlin Wall was built in 1961. It was completely torn down from 1989 until 1991. All of this happened during the 20th century.
The Berlin Wall was torn down in the 20th Century (1989-90).
It is still used as a symbol for St. Peter (who was crucified upside-down). However it has become associated with satanic groups because it is viewed as an opposite for Christianity's cross.