The concilium plebis was the assembly of the plebs in ancient Rome. Its voting was divided on the basis of tribes, though it could not make decisions that were binding on the entire populus (patricians and plebs) and its resolutions were called plebiscites.
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The Tribune of the Plebeians or the Tribune of the People was a magistracy established in 494 BCE just 15 years after the foundation of the Roman Republic in 509 BCE. They enjoyed recognition and authority limited though in the surroundings of Rome [less than a mile from the city's borders]. They were elected by the Consilium Plebis for one year and they did sit in the Senate.
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If you mean the Concilium Plebis, no, the patricians had nothing to do with it. It was a counsul of the Plebs. It could only be conviended by a Tribune of the plebs or an aedile of the plebs.
It was the Plebeian Council (Concilium Plebis)
The leaders within the Concilium Plebis, or the Plebeian Council of ancient Rome, were primarily the tribunes of the plebs. Elected by the plebeians, these tribunes had the authority to represent the interests of the common people and could veto decisions made by the Senate or other magistrates. Additionally, the aediles, who were also elected from the plebeian class, played a significant role in managing public works and the grain supply, further influencing plebeian affairs.
In ancient Rome, common people, primarily represented by the Plebeians, held meetings known as the Comitia Tributa and the Concilium Plebis. The Comitia Tributa allowed citizens to vote on laws and elect officials, while the Concilium Plebis was specifically for Plebeians to discuss issues affecting their class and to pass resolutions known as plebiscites. These meetings provided a platform for the common people to voice their concerns and influence legislation, especially as they gradually gained more political power.
471 B.C. Source: My World History textbook :)
the assembly of the soldiers (comitia centuriata), the assembly of the ribes (comitia tributa) and the plebeian council (concilium plebis)
The Council of the Plebs (Concilium Plebis) was a legislative assembly in ancient Rome that represented the common people, or plebeians, and was established to give them a voice in governance. Unlike the Centuriate Assembly, which was organized based on wealth and military service, the Council of the Plebs was structured to ensure that all plebeians had a direct say in decision-making, with each plebeian having one vote regardless of wealth. Additionally, the Council had the power to pass laws (plebiscites) that applied to all citizens, although initially, these laws were only binding on plebeians until later reforms allowed them to apply to the entire Roman populace.
Concilium - journal - was created in 1965.
Sacrosanctum Concilium was created in 1963.
The assembly of the plebeians in ancient Rome is called the "Concilium Plebis" or the Plebeian Council. This assembly was established to give plebeians a voice in the political process, allowing them to elect their own representatives, known as tribunes, and pass legislation that primarily affected their class. It played a crucial role in the struggle for political equality between plebeians and patricians.
If you mean the military tribunes, they were created right at the beginning of the creation of the Roman army by Romulus, the founder of the city and its first king. If you mean the plebeians tribunes, they were created during the first rebellion of the poor plebeians: the First Plebeian Secession (494 BC). The plebeian movement created its leaders (the plebeians tribunes) and their assistants (the plebeian aediles) and the assembly of the movement, the plebeian council (concilium plebis).