Maybe you people out there shouldn't post stupid answers!
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It is not known how old Benjamin Banneker's sisters were. Benjamin Banneker is most known for being a scientist and farmer.
he was 14
65
12
he made the watch in 1753 when he was 22 years old
He was 38 years old
Benjamin Banneker lived to reach the ripe old age of 74, a long life for those times. There is a theory in some quarters that he was an alcoholic and this lead to his final illness and death. Banneker himself suggested that he should not drink so much; in fact, when he assisted in the survey of the Federal City, he indicates in his journal that he touched "nary a drop."
The first American clock was invented by a black man named Benjamin Banneker in 1761. He was only thirty years old at that time.
The original of the Almanac can be traced back to the Babylonian civilization when lists of planetary periods were procuced. Ptolomey, the Alexandrian astronomer of the 2nd Century wrote a treatise. The earliest known almanac in the modern sense was written in 1088 by Arzachel and known as the Tables of Toledo. Many Almanacs have been produced since that time
Benjamin Franklin died on April 17, 1790 at the age of 84.
He died of old age at the age of seventy four.