Shariah-Compliant Finance dates back to the 1940s, when it was invented by leading figures in the Muslim Brotherhood.

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Gunpowder may date back as far as the 4th century, when it was invented in China--perhaps by someone trying to mix sulfur, charcoal and saltpeter into medicine.

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When email was invented, it was used as a communication tool between scientists that were sharing mainly text messages over unreliable links.

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When the system was first invented in the 19th century it worked well enough.

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