German South West African Mark the gold content of the British Pound Sterling was 7.3224 grams, while the gold content of 20 marks was 7.168 grams. According to Gresham's Law, "bad money drives out good", so the "bad" Mark replaced the "good" British Pound Sterling. In 1901, the German Mark became the official currency of German South West Africa, hence replacing the 20 and 5 mark denominations of the German South West African Mark, for which they were also demonetized (although, they continued use in the metropolis of German South West Africa until 1907). In 1923, the coins of the German South West African Mark
Alexander and the Terrible, Horrible, No Good, Very Bad Day and the cat says he wants to sleep with Anthony (but not Alexander). In the end, Alexander says it has been a terrible, horrible, no good very bad day for him. His mother says to him that some days are like that, even in Australia. A running gag throughout the book is Alexander repeating several times that he wants to move to Australia because he thinks it is better there. It ends with his mother's assurance that everybody has bad days, even those who live there. In the Australian and New Zealand versions, he wants to move to Timbuktu instead.