1899Aspirin comes from willow bark.

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Willow bark was used for pain for thousands of years; Bayer launched aspirin in 1899.

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<span class="aj-year">1975</span>The first digital camera weighed about 4 kg.<span class="aj-year">1945</span>The microwave oven was discovered when a chocolate bar melted in a pocket.<span class="aj-year">1992</span>The first text message said “Merry Christmas”.