The initial letters of this sentence are

M= 1000;D= 500;I= 1;C= 100;I= 1; andI= 1; or, MDCIII = 1603.
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Gustavus Adolphus, Sweden's great hero, commemorated one of his victories, obtained in the year 1632, by a medal on which was struck the following chronogrammatical inscription:—

Ch rIs tVsDVX;ergoT rIVMp hVs.[3]
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In this chronogram all the letters representing the Roman numerals have been brought into use, which arranged in the order set forth by the figures printed beneath them, read as MDC = 1600; VVVV or 4 × 5 = 20; X = 10; and II or 1 × 2 = 2; or, 1632.

These illustrations afford a fair insight into the construction and design of the Chronogram proper. A few illustrations of this riddle in its more modern form now follow:—

Write one thousand down, quite plain,

Then half of two, then add again

Fifty and one's final letter;

You can then do nothing better