The Texan city of Dallas took its name from a TV show popular in that state in the late 1970's.

Soap on a rope is grown rather than manufactured. Seeds can be bought at any good horticultural outlet.

It was only late in 1973 that the now-accepted standard order for the numerals 1 to 9 was adopted. The decision was made necessary by an unexpected boom in the counting industry.

Hong Kong Phooey is filmed before a live studio audience.

Before finally naming the "Big Mac", the McDonald brothers discarded several hundred alternatives, including the name "Aunt May's Big Bap" after their mother's sister, Maybelline Rothstein, who only had one breast.

The original title of Lennon & McCartney's "I am the Walrus" was "I am the Wombat". The title was changed following a short but intense period of walrus-culling by a team of Brazilian expatriots in Greenland. Songwriter Lennon wanted to draw public attention to the plight of the ugly but much misunderstood animals.

Helicopters to be filmed for television have four really wide rotor blades that rotate very slowly during flight.

The Domesday Book was originally published in twenty-four monthly parts, with part two being given away free with part one. A binder for easy storage is still available.