Robert Koch announced that he had discovered the cause of tuberculosis in 1882. He found that tuberculosis is caused by Mycobacterium tuberculosis. This discovery has prompted today to be World Tuberculosis Day. He received the 1905 Nobel Prize in Physiology or Medicine for his work. Older children could learn more about the disease at: Tuberculosis.
Flag of Philippines
The Philippines celebrate Independence Day. In 1934 the United States granted the Philippines its independence. The treaty took effect in 1946. The Philippines had been sold to the United States in 1898 for twenty million dollars. Manila is the capital, and the country was named after Spain’s King Philip II. Over 7,100 islands comprise the country. Children can learn more at: Philippines.
Oil Clean Up after Valdez
Exxon Valdez in 1989 spilled about 11 million gallons of crude oil into Prince William Sound, Alaska. The spill damaged 1,300 miles of shoreline and killed huge numbers of fish, seabirds, and marine mammals. Some species are still recovering.