10 Centuries in a Millenium
1973: Britain Enters the Common Market.
There are 10 millimeters in a centimeter; this is one answer to '10 m in a c'.
This is a Ditloid. The answer is 535 Members of Congress.
15 Men on a Dead Mans Chest
The ditloid "8 p on a m c" stands for "8 pints of ale in a mini cask." Ditloids are word puzzles where numbers represent words or phrases, and in this case, it's a playful reference to a specific quantity of beer in a particular container.
The ditloid "24 D in W H C the M" stands for "24 hours in a day, which has a meaning." It references the number of hours in a full day.
metric absolute zero
7 Ages of Man (Shakespeare)
Days in Every Month
Type your answer here... 8 miracles of Jesus
5 Events in the Modern Pentathlon
1 Born Every Minute