What is a Leap Year? Leap Year History | History of Gregorian Calendar | Urdu/Hindi

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Why Do We Have Leap Years? What Is A Leap Year? Why Do We Have February 29th? Leap Year Explained. How Many Days Are In February? What is the Gregorian calendar based on? What was used before the Gregorian calendar? What is the difference between the Julian and Gregorian calendar? Who invented the 12 month calendar?
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All information contained in this video is for educational and informative use only.

Translation, Writing and Editing by Ahmad Javaid.
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Attributions

Astronomy: various apocalyptic scenes, Coloured lithograph, [c.1833?].. Credit: Wellcome Collection.
Astronomy: various apocalyptic scenes, Coloured lithograph, [c.1844?].. Credit: Wellcome Collection.

Astronomy: various apocalyptic scenes, including a funeral, war, and riotous assembly. Coloured lithograph, [c.1838?].. Credit: Wellcome Collection.

Copernicus and five other astronomers with astronomical instruments. Engraving by J. Mulder after G. Hoet, 1692.. Credit: Wellcome Collection.

Nicolas Copernicus lecturing,. Credit: Wellcome Collection.

Statues outside the temple of Abu Simbel, Egypt. Coloured lithograph by Louis Haghe after David Roberts, 1849.. Credit: Wellcome Collection.

Egypt: the "statues of Memnon". Colour lithograph by G.W. Seitz, ca. 1878, after Carl Werner, 1871.. Credit: Wellcome Collection.

Abu Simbel: two temples seen from across the Nile river. Coloured etching by A. Aglio, 1820, after G. Belzoni.. Credit: Wellcome Collection.

The death of Julius Caesar: Etching by J.C. Armytage after J.L. Gérome.. Credit: Wellcome Collection.

Astronomy: an astronomer in his study Credit: Wellcome Collection.

Augustus Caesar. Etching by F. Perrier.. Credit: Wellcome Collection.

Saint Gregory in his study writing his homilies. Engraving by P. Bartoli after G. Romano.. Credit: Wellcome Collection.
The supper of Saint Gregory: Saint Gregory seated at a table with his companions; a monk is pouring some wine. Engraving by G. Tomba after N. Angiolini after G. Vasari.. Credit: Wellcome Collection.
Saint Ambrose, Saint Gregory the Great, Saint Jerome and Saint Augustine of Hippo. Engraving by C. van Dalen after Sir P.P. Rubens.. Credit: Wellcome Collection.

Astrology: signs of the zodiac, Sagittarius. Coloured engraving by S. Hall.. Credit: Wellcome Collection.

Astrology: signs of the zodiac, Taurus. Coloured engraving by S. Hall.. Credit: Wellcome Collection.
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یونان، بابل اور قدیم مصری اپنے وقتوں سے بہت آگے تھے۔ جناب بہت ہی معلوماتی ویڈیو تھی شکریہ۔

oldone
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Itni ziada tareekhi malomat aik video main bohat he achi video bnai

shrs
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Bro Ap Ka channel bohat he lajawab hai

faysalali
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arslantariq
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