The jury system has its roots in England during the 12th century, particularly under the reign of King Henry II. It evolved from local customs and practices where community members would gather to provide testimony and assist in legal decisions. The system was formalized in the Magna Carta of 1215, which established the principle of a trial by one's peers. Over time, the jury system spread to other countries, including the United States, where it became a fundamental aspect of the legal framework.
Legal reforms introduced by King Henry II of England were the first steps towards the modern system of trial by jury.
Indians introduced it.
Trial by Jury is protected in the Australian constitution which was brought into effect in 1901.
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I assume you mean "When was the first operating system introduced?" Seems to be in the 1950s. See the link below for a very detailed page.
The first mathematician is Arya bhatt.
If the procedure happens to exist in that particular state, the individual will first be indicted by a GRAND JURY. When brought to trial their case will be tried by a PETIT JURY. In states with no Grand Jury system, only a Petit Jury is involved.
Ancient Greece, around 500BC.
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Jeopardy is a defendant's risk or danger of conviction when put on trial. Jeopardy does not exist until the jury is sworn in or until evidence is introduced.
1946
Carl Schurz