Which country has the oldest continuously used national flag? ?

The country that has the oldest continuously used national flag is: Denmark

The Denmark national Flag has been adopted since 1219, completely used since 1748. According to them, their Flag represented the strength of their army and their Mercantile Marine.

Hello there! i assume it is option e.  without carbon-14, it will be an impossible task to estimate the age of the fossil.hope this you! good luck : )  - hannah  ❤

This is a true statement  hope this : )