Apiece of information that is considered common knowledge does not need a citation.
true or false?

True.

Explanation:

An author provides a variety of information through different sources in his/her work not only to substantiate or establish the credibility of his/her claim but also to propose a clear and effective understanding to the readers. This variety of information may include facts, quotations, statistics, etc. which could have been taken from a book, a journal, newspaper article, etc.

Citation is one of the crucial elements of literary writing not only to avoid plagiarism but also to validate the authenticity and originality of the work.

As per the question, the given assertion would be categorized as true as the information sharing common knowledge or general facts need not be cited due to the availability of such information in a number of sources. For example; 'Shakespeare is one of the greatest writers of the English language in general and drama in particular' which is commonly known by almost everyone and can be found in various sources. Thus, it is suggested that such information is not required to be cited. Therefore, the statement would be true.

agamemnon was the leader of the greek troops in the trojan wars and orestes was his son. when agamemnon returned from the war, he was murdered by his wife's lover in conjunction with his wife. orestes could not stop them but he seeked vengeance for his father. after a long time, he found them and avenged his father while killing them. he killed his mother, but greek mythology claims that his act was just and he was spared the remorse and the guilt. there are a lot of similarities with the ulysses/telemachus father son pair. ulysses was also one of the leaders of the excursion to troy. he still has not returned home, but in a sense the suitors of penelope are marring his estate and his reputation. while penelope is faithful to ulysses, the suitors by taking hold of the palace and committing their shameful acts are dishonoring ulysses. in the same context, telemachus is asked just like orestes to restitution his father's honor, regardless of whether he is alive or dead. athena is him and encouraging him with this example and he himself feels the need to save his father