Pier Degroot (1913 - 1970)

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In 1913, in the year that Pier Degroot was born, ratified in February the 16th Amendment, establishing a Federal income tax, became law. Previously, customs duties (tariffs) and excise taxes were the primary sources of federal revenue. With the passage of the 16th Amendment, incomes of couples exceeding $4,000, as well as those of single persons earning $3,000 or more, were subject to a 1% Federal tax (that would be about $98,000 and $74,000 now). Rates rose to 7% for incomes over half a million dollars. Less than 1% of the population was subject to income tax.

In 1921, by the time this person was merely 8 years old, on November 11th, the first burial was held at the Tomb of the Unknown Soldier in Arlington National Cemetery. The body of an unknown soldier - selected by Army Sgt. Edward F. Younger who was highly decorated for valor and received the Distinguished Service Cross in "The Great War" - was brought back from France (World War 1) and placed in the newly completed tomb. President Warren G. Harding officiated at the interment ceremonies.

In 1931, by the time this person was 18 years old, on May 1st, the Empire State Building opened in New York City. At 1,454 feet (including the roof and antenna), it was the tallest building in the world until the World Trade Center's North Tower was built in 1970. (It is now the 34th tallest.) Opening at the beginning of the Great Depression, most of the offices in the Empire State Building remained unoccupied for years and the observation deck was an equal source of revenue and kept the building profitable.

In 1942, at the age of 29 years old, Pier was alive when on June 17th, Roosevelt approved the Manhattan Project, which lead to the development of the first atomic bomb. With the support of Canada and the United Kingdom, the Project came to employ more than 130,000 people and cost nearly $2 billion. Julius Robert Oppenheimer, a nuclear physicist born in New York, led the Los Alamos Laboratory that developed the actual bomb. The first artificial nuclear explosion took place near Alamogordo New Mexico on July 16, 1945.

In 1970, in the year of Pier Degroot's passing, on May 1st, US troops invaded Cambodia, expanding the Vietnam War. The invasion of Cambodia was a Nixon policy, although it was argued against by both his Secretary of State and his Secretary of Defense.