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Giovanni di Bicci de' Medici (c. 1360–1429), son of Averardo de' Medici (1320–1363), increased the wealth of the family through his creation of the Medici Bank, and became one of the richest men in the city of Florence.
- Lorenzo De
Lorenzo di Piero de' Medici (Italian: [loˈrɛntso de...
- List of Popes From The Medici Family
The Medici were a powerful and influential Florentine family...
- Borgia
The House of Borgia (/ ˈ b ɔːr (d) ʒ ə / BOR-zhə, BOR-jə;...
- Cosimo De
Cosimo di Giovanni de' Medici (27 September 1389 – 1 August...
- Anna Maria Luisa De
Anna Maria Luisa de' Medici (11 August 1667 – 18 February...
- Marie De
Maria de' Medici as a child. Currently at the Palazzo Pitti,...
- Strozzi Family
Strozzi family Coat of Arms. The House of Strozzi is the...
- Princes of Ottajano
The founder of the Ottajano line was Ottaviano de' Medici,...
- Gian Gastone
Gian Gastone de' Medici (born Giovanni Battista Gastone; 25...
- Mugello
Mugello within Metropolitan Florence Countryside near...
- Lorenzo De
1429 ( MCDXXIX ) was a common year starting on Saturday of the Julian calendar, the 1429th year of the Common Era (CE) and Anno Domini (AD) designations, the 429th year of the 2nd millennium, the 29th year of the 15th century, and the 10th and last year of the 1420s decade.
7 May – The Tourelles, the last English siege fortification at Orléans, falls. Joan of Arc becomes the hero of the battle by returning, wounded, to lead the final charge. 8 May – The English army abandons the siege of Orléans.
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Al-Kashi was born in 1380, in Kashan, in central Iran, to a Persian family. This region was controlled by Tamerlane, better known as Timur. The situation changed for the better when Timur died in 1405, and his son, Shah Rokh, ascended into power. Shah Rokh and his wife, Goharshad, a Turkish princess, were very interested in the sciences, and they e...
Law of cosines
In French, the law of cosines is named Théorème d'Al-Kashi (Theorem of Al-Kashi), as al-Kashi was the first to provide an explicit statement of the law of cosines in a form suitable for triangulation. His other work is al-Risāla al-muhītīyyaor "The Treatise on the Circumference".
The Treatise of Chord and Sine
In The Treatise on the Chord and Sine, al-Kashi computed sin 1° to nearly as much accuracy as his value for π, which was the most accurate approximation of sin 1° in his time and was not surpassed until Taqi al-Din in the sixteenth century. In algebra and numerical analysis, he developed an iterative method for solving cubic equations, which was not discovered in Europe until centuries later. A method algebraically equivalent to Newton's method was known to his predecessor Sharaf al-Dīn al-Tū...
In 2009, IRIB produced and broadcast (through Channel 1 of IRIB) a biographical-historical film series on the life and times of Jamshid Al-Kāshi, with the title The Ladder of the Sky (Nardebām-e Āsmān). The series, which consists of 15 parts, with each part being 45 minutes long, is directed by Mohammad Hossein Latifiand produced by Mohsen Ali-Akba...
Kennedy, Edward S. (1947), "Al-Kashi's Plate of Conjunctions", Isis, 38 (1–2): 56–59, doi:10.1086/348036, S2CID 143993402Kennedy, Edward S. (1950), "A Fifteenth-Century Planetary Computer: al-Kashi's "Tabaq al-Manateq" I. Motion of the Sun and Moon in Longitude", Isis, 41 (2): 180–183, doi:10.1086/349146, PMID 154362...Kennedy, Edward S. (1951), "An Islamic Computer for Planetary Latitudes", Journal of the American Oriental Society, 71 (1), American Oriental Society: 13–21, doi:10.2307/595221, JSTOR 595221Kennedy, Edward S. (1952), "A Fifteenth-Century Planetary Computer: al-Kashi's "Tabaq al-Maneteq" II: Longitudes, Distances, and Equations of the Planets", Isis, 43 (1): 42–50, doi:10.1086/349363,...Schmidl, Petra G. (2007). "Kāshī: Ghiyāth (al‐Milla wa‐) al‐Dīn Jamshīd ibn Masʿūd ibn Maḥmūd al‐Kāshī [al‐Kāshānī]". In Thomas Hockey; et al. (eds.). The Biographical Encyclopedia of Astronomers....Eshera, Osama (2020). "On the Early Collections of the Works of Ġiyāṯ al-Dīn Jamšīd al-Kāšī". Journal of Islamic Manuscripts. 13 (2): 225–262. doi:10.1163/1878464X-01302001. S2CID 248336832.After lifting the siege of Orleans in 1429, Joan of Arc and her experienced captains moved to mop up English resistance in the Loire Valley. Sir John Fastolf and his Burgundian allies at Patay were the main targets of their advance.
Siege of Orléans, (October 12, 1428–May 8, 1429), siege of the French city of Orléans by English forces, the military turning point of the Hundred Years’ War between France and England. The siege was begun by Thomas de Montacute, earl of Salisbury, after the English conquest of Maine, a border.
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Seeing angel number 1429 is a sign of spiritual awakening and enlightenment. This number is often seen by individuals who are on the right path in life and are fulfilling their divine purpose. It is a reminder that your hard work and dedication will pay off in the end.
