In the 11th-13th centuries, one of the most common decorations on the territory of Kievan Rus was a metal pendant, known as a kolt. They fastened kolts to headdresses and decorated them in various ways: they covered them with enamel, filigree patterns...

Thomas Tompion is one of the fathers of the English art of creating mechanical watches. The products created by this watchmaker are among the most expensive at world auctions, the brightest copies are kept in museums, including the Metropolitan Museum...

The idea to build a rapid underground public transport system in London appeared in the 1830s. Permission for the construction of the first railway tracks was given in 1854, and a year later the first tunnel was built, which was tested. It operated for...

During the years of the Civil War in the United States, quite a few public initiatives emerged to provide humanitarian assistance to victims of military operations. Among them, the Sanitary Commission, which raised funds for the sick and wounded...

The idea of ​​building an underground railway, which would connect the center of London with its outskirts, appeared in the 1830s. But it began to be realized only 20 years later, when a critical transport situation developed in the two millionth...

The second in Ukraine metro in Kharkov was opened on August 23, 1975. The decision to build was taken eight years before. In the late 1950's in Kharkiv, there were major changes in the location of residential areas and industrial zones, there was a...