Margaret Mcdonald (1889 - 1966)
Margaret Mcdonald Biography
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1889 - 1966 World Events
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In 1889, in the year that Margaret Mcdonald was born, on May 31st, the South Fork Dam collapsed. Located in western Pennsylvania, the dam failed - sending more than 20 million tons of water into the towns below it. The flood killed more than 2,200 people in and around Johnstown. The newly formed Red Cross responded to the disaster.
In 1896, she was just 7 years old when in April, the first study on global warming due to CO2 - carbon dioxide - in the atmosphere was published by Swedish scientist Svante Arrhenius. Arrhenius concluded that human activity due to the Industrial Revolution would amplify CO2 in the atmosphere, causing a greenhouse effect. His conclusions have been extensively tested in the ensuing 100+ years and are still seen to hold true.
In 1912, at the age of 23 years old, Margaret was alive when the Girl Scouts of the USA was started by Juliette Gordon Low with the help of Sir Robert Baden-Powell, the founder of Boy Scouts in Great Britain. She said after a meeting with Baden-Powell, "I've got something for the girls of Savannah, and all of America, and all the world, and we're going to start it tonight!" And she did.
In 1959, by the time she was 70 years old, on August 8th, Hawaii became the 50th state of the United States. The US flag was changed to show 50 stars.
In 1966, in the year of Margaret Mcdonald's passing, on July 1st, Medicare became available after President Johnson signed into law the Medicare Act in 1965. President Truman had received the first Medicare card since he had been the first to propose national healthcare law. insurance.
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