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where a Chinese monk decided to pour saltpeter and gunpowder and but a loud noise in the middle of it and it was formally known as the firecracker.
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they were supposed to be a religious ceremony to scare off all of the bad spirits.
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Where the Chinese first discovered how to put gunpowder into a small tube and explode a lot of colors.
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Today fireworks have been modified to have different colors. Like salmon, aqua, and pink where they would make explosion so much bigger and better then they were before.
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In 2004 Disneyland launched fireworks with compressed air instead of gunpowder. this came about for safety reasons and was less dangerous to the people that were launching them. they would put timers in the firework and make it explode to the music that was going on.
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