Adonius O. Hill (born 1975)

In 1975, in the year that Adonius O. Hill was born, in January, Popular Mechanics featured the Altair 8800 on it's cover. The Altair home computer kit allowed consumers to build and program their own personal computers. Thousands were sold in the first month.

In 1983, "crack" cocaine was developed in the Bahamas and spread to the United States. Previously, cocaine had been cut with other substances, diluting it. Crack was 80% pure and therefore was more addictive. It was also cheaper, making it more easily available to low income neighborhoods.

In 1985, in May, a paper published in Nature by three British scientists reported that a huge hole was discovered in the ozone layer over the Antarctic. It was much larger than expected and is due to the use of manmade chemicals.

In 1990, on April 24th, the Hubble telescope was launched into space after long delays due to the Challenger explosion. An optical flaw was found within weeks of launch but was fixed within three years. The discoveries made possible by the Hubble have contributed to scientists' understanding of the universe.

In 1999, on January 1st, the Euro became the new official single currency of the eurozone. It was used by Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Portugal, Slovakia, Slovenia, and Spain and has since spread in use. Daily, over 337 million Europeans use the euro.