Donald O Notman (1908 - 1999)

Refresh this page to see various historical events that occurred during Donald's lifetime.

In 1908, in the year that Donald O Notman was born, a mysterious Siberian explosion leveled over 770 square miles of forest. There were no human casualties. Explanations of the explosion have included a comet, meteorite, natural atomic explosion, or a crashed UFO. Although it is called an impact event - the largest one in recorded earth history - there is no crater and it is widely thought that the explosion was caused by a meteor exploding 3 to 6 miles above the earth.

In 1939, by the time he was 31 years old, on the 1st of September, Nazi Germany invaded Poland. On September 17th, the Soviet Union invaded Poland as well. Poland expected help from France and the United Kingdom, since they had a pact with both. But no help came. By October 6th, the Soviet Union and Nazi Germany held full control of the previously Polish lands. Eventually, the invasion of Poland lead to World War II.

In 1946, by the time he was 38 years old, pediatrician Dr. Benjamin Spock's book "The Common Sense Book of Baby and Child Care" was published. It sold half a million copies in the first six months. Aside from the Bible, it became the best selling book of the 20th century. A generation of Baby Boomers were raised by the advice of Dr. Spock.

In 1958, Donald was 50 years old when on January 31st, Explorer I, the United States' answer to Sputnik I (and 2,) was launched. America had entered the Space Race. The first spacecraft to detect the Van Allen radiation belt, it remained in orbit until 1970.

In 1975, Donald was 67 years old when 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.