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Postal rates to 1847. Initial United States postage rates were set by Congress as part of the Postal Service Act signed into law by President George Washington on February 20, 1792. The postal rate varied according to "distance zone", the distance a letter was to be carried from the post office where it entered the mail to its final destination.
Muhammad ibn Musa al-Khwarizmi [note 1] ( Persian: محمد بن موسى خوارزمی; c. 780 – c. 850 ), often referred to as simply al-Khwarizmi, was a polymath who produced vastly influential Arabic-language works in mathematics, astronomy, and geography. Hailing from Khwarazm, he was appointed as the astronomer and head of the House of ...
An 1866 stamp of Egypt. Carlo Meratti, an Italian, set up the first postal system in Egypt in 1821. This was a private enterprise which in 1842 was named "POSTA EUROPEA". The Egyptian Government, in 1857, sanctioned it to carry on all inland postal services. This concession was purchased by the Egyptian Government and on 1 January 1865 it took ...
Al-Biruni. Abu Rayhan Muhammad ibn Ahmad al-Biruni / ælbɪˈruːni / ( Persian: ابوریحان بیرونی; Arabic: أبو الريحان البيروني; 973 – after 1050), [5] known as al-Biruni, was a Khwarazmian Iranian scholar and polymath during the Islamic Golden Age. He has been called variously "Father of Comparative Religion ...
The Tusi couple, a mathematical device invented by the Persian polymath Nasir al-Din Tusi to model the not perfectly circular motions of the planets. Science in the medieval Islamic world was the science developed and practised during the Islamic Golden Age under the Abbasid Caliphate of Baghdad, the Umayyads of Córdoba, the Abbadids of Seville, the Samanids, the Ziyarids and the Buyids in ...
Benjamin Franklin — George Washington The First U.S. Postage Stamps, issued 1847. The first stamp issues were authorized by an act of Congress and approved on March 3, 1847. [20] The earliest known use of the Franklin 5¢ is July 7, 1847, while the earliest known use of the Washington 10¢ is July 2, 1847.
The postage stamps and postal history of Palestine emerges from its geographic location as a crossroads amidst the empires of the ancient Near East, the Levant and the Middle East. Postal services in the region were first established in the Bronze Age, during the rule of Sargon of Akkad, and successive empires have established and operated a ...
Alchemy in the medieval Islamic world refers to both traditional alchemy and early practical chemistry (the early chemical investigation of nature in general) by Muslim scholars in the medieval Islamic world. The word alchemy was derived from the Arabic word كيمياء or kīmiyāʾ [1] [2] and may ultimately derive from the ancient Egyptian ...