Slavery among Native Americans in the United States includes slavery by and slavery of Native Americans roughly within what is currently the United States of America. Tribal territories and the slave trade ranged over present-day borders. Some Native American tribes held war captives as slaves prior to and during European colonization. Some Native Americans were captured and sold by others into slavery to Europeans, while others were captured and sold by Europeans themselves. In the late 18th and 19th centuries, a small number of tribes adopted the practice of holding slaves as chattel property...

Naturales quaestiones is a Latin work of natural philosophy written by Seneca around 65 AD. It is not a systematic encyclopedia like the Naturalis Historia of Pliny the Elder, though with Pliny's work it represents one of the few Roman works dedicated to investigating the natural world. Seneca's investigation takes place mainly through the consideration of the views of other thinkers, both Greek and Roman, though it is not without original thought. One of the most unusual features of the work is Seneca's articulation of the natural philosophy with moralising episodes that seem to have little to...

Дом связи (здание главпочтамта) — здание, расположенное в Екатеринбурге, на проспекте Ленина, дом 39, и построенное в 1933 году архитекторами К. И. Соломоновым и В. Д. Соколовым. Здание выполнено в форме конструктивизма 1930-х годов. У входа в здание Главпочтамта вмонтирована круглая рельефная бронзовая плита, символизируюшая нулевой километр.. == Архитектура == По проекту административное здание в деловом центре Свердловска расположено на площади Труда (Екатерининская площадь), на пересечении улиц Толмачева и Пушкина. Пяти-шестиэтажное здание с П-образным формой имеет со стороны улицы Толмачева...