In which decade with the first transatlantic radio broadcast occur?
1850s
1860s
1870s
1900s
In which decade with the first transatlantic radio broadcast occur?
In the 1700s, who would pay the postage fee for letters before the stamp was invented? |
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Who synthesized the first wholly artificial gene? |
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FROZEN FOOD - Who discovered the first practical method of freezing food? |
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When was the Raggedy Ann doll patented? |
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What Frank Whittle invented? |
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When was the first Lionel trains manufactured? |
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What item, originally called the Whirlwind, was invented by Ives McGaffey in 1869? |
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What office item was invented by Bette Nesmith Graham in 1951? |
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What George Pullman invented? |
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Who invented Bakelite? |
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