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Earliest known written formula for gunpowder, from the Wujing Zongyao.
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Roger Bacon experiments with gunpowder.
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First recorded use of firearm.
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handguns were used across Europe.
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The word ‘gunpowder’ was first used.
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Portable canons were invented.
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Rockets were used in warfare.
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Rifleman replaces the knight.
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For almost 1,000 years, gunpowder was the only known way of creating explosive energy.
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The first automatic rifle was invented by the Winchester.
