The first jigsaw puzzle was created by map maker John Splisbury who mounted one of his maps on a sheet of hardwood. He proceeded to cut around the borders of each country use a fine saw.

Trigonometry is the study of the relationship between the angles of triangles and their sides.

It is believed that Shakespeare was 46 around the time that the King James Version of the Bible was written. In Psalms 46, the 46th word from the first word is "shake" and the 46th word from the last word is "spear".

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