The US National Archives maintains a number of the most important letters ever written, such as a written document warning of the gunpowder plot, a handwritten letter about the lack of enough lifeboats on the Titanic, and others.

In a report, the BBC History magazine cited five of the most interesting speeches from the book "In Their Own Words: Letters from History," which contains more than 80 letters, postcards and telegrams written by historical figures, including Queen Elizabeth. The first was Karl Marx and Churchill Winston. Following are the five messages in the report:

Discovery of the Ark of Tutankhamun
On January 7, 1924, US citizen JW Chance wrote to the State Department to discover the remains of the ark of one of Egypt's old rulers, but the State Department's Eastern Region Administration disagreed.

The magazine pointed out that British archaeologist Howard Carter and his financier Lord Carnarvon obtained permission to dig in the Valley of the Kings in 1915, until they discovered on November 4, 1922 the entrance to a proper sarcophagus belonging to the pharaoh Tutankhamun of the family 18, ten years after Drilling.

US State Department refutes JW Chance's letter on the discovery of the remains of Tutankhamun (Getty)

Titanic ship
British political leader Ben Tillett (1860-1943) wrote a letter strongly criticizing the "brutal class hatred" that led to the loss of large numbers of third-class passengers, compared to wealthy passengers during the sinking of the Titanic.

When designing the ship, the engineers were careful not to mix passengers of different categories, and provided some stairs with metal gates that only a crew member could open.

Staff were not available to open the gates on the night of the disaster, leaving hundreds of passengers trapped below and drowned by the flow of water after having had the least chance of surviving, regardless of class differences.

Tillett's letter explains some of the main reasons why more lives have not been saved, and calls on the Navy to implement stricter safety regulations in the future.

He complained about giving priority to first class passengers while loading lifeboats, noting that the number of boats was not enough because the designers preferred to preserve the aesthetic of the deck.

Letter reveals that the class caused the death of most passengers of the public in the sinking of the Titanic (Getty Images)

Warning of gunpowder plot
On October 26, 1605, British King Lord Monteagle received a letter warning him to avoid attending the official opening of the English Parliament, urging him to remain at home for his own safety.

A group of disgruntled Catholic nobles, led by Robert Katsby in 1605, decided to blow up the seat of the English parliament in the presence of the king and the lords using gunpowder barrels hidden in the parliament's catacombs.

The group planned to lead a popular uprising in the Midland by abducting King James's daughter Elizabeth at Combe Abbey with the intention of inaugurating a queen to restore Catholic rights.But the conspiracy did not work, and the conspirators were arrested and sentenced to death.

During the reign of Queen Elizabeth I, Catholics were persecuted because of their religious orientation, were prevented from practicing their religion, were subjected to unfair fines and threatened with imprisonment.

Jack the Ripper Letters
On September 29, 1888, the Central News Agency in London received a letter allegedly from the serial killer known as "Jack the Ripper," accused of atrocities whose victims were prostitutes in the White Chapel and surrounding areas of London.

The writer mocked the police, asserting that the killer wanted in these cases is another man with the name "leather apron", expressing his pride in his ability to mislead the police and his willingness to commit more crimes, and gave a detailed explanation of one of the distortions he will carry out.

The French government wrote a letter to the British government requesting the return of Bonaparte's remains to French territory (Getty Images)
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In May 1840, the French government sent a letter to the British Government, requesting the return of the remains of Napoleon Bonaparte to French territory, after he died in 1821 on the remote island of St. Helena in the Atlantic Ocean.

The draft of Lord Palmerston's letter, in response to the French request to "return the remains of Napoleon Bonaparte" from St. Helena to France, remained in the British Foreign Office records.

The French government sent a warship to Saint Helena to return Napoleon's remains to France, and to bury him at Lesanvalides on 15 December 1840.