Fireworks in the Modern Era
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19th century: The development of new chemicals and manufacturing techniques in the 1800s led to the creation of more vivid and diverse firework colors. The use of metal salts, such as copper for blue and strontium for red, allowed for a broader spectrum of colors. The 19th century also saw the popularization of fireworks in the United States, particularly in connection with Independence Day (July 4th), a tradition that continues to this day.
20th century: In the 20th century, fireworks displays became more organized and commercialized, especially with the rise of large public displays for national holidays, cultural festivals, and celebrations. The development of shell fireworks (larger fireworks that explode at high altitudes and create intricate patterns) made fireworks displays even more spectacular.
Fireworks and science: Throughout the 20th century, pyrotechnics grew as a field of science and engineering. Today, fireworks are not only used for celebration but are also studied for their chemical properties and their applications in rocketry and military technology.
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