Note:  Do not rely on this information. It is very old.


Chronogram, a device by which certain letters in a name or inscription are made to represent a date, and are printed in different type from the remainder. The thing originated in later Roman days, and was revived at the Renaissance. An example is a motto adopted by Gustavus Adolphus, ChrIstVs DVX, ergo trIVMphVs, which gives the date 1632.