April 23 – Coca-Cola changes its formula and releases New Coke. The response is overwhelmingly negative and the original formula is back on the market in less than three months.
Pyramids (novel) (Wikipedia) Pyramids is a fantasy novel by British writer Terry Pratchett, published in 1989, the seventh book in his Discworld series. It won the BSFA Award for Best Novel in 1989.