4th century Warning: You are not logged in. Your IP address will be publicly visible if you make any edits. If you log in or create an account, your edits will be attributed to your username, along with other benefits.Anti-spam check. Do not fill this in! ==Inventions, discoveries, introductions== {{main list|Timeline of historic inventions#4th century}} * The [[Stirrup]] was invented in China, no later than 322.<ref>{{cite web|url=http://www.silk-road.com/artl/stirrup.shtml|title=The stirrup and its effect on chinese military history|first=Adela C.Y.|last=Lee|publisher=Silkroad Foundation}}</ref><ref name=":0">{{Cite web|url=http://www.chinaculture.org/gb/en_madeinchina/2005-07/21/content_70825.htm|archiveurl=https://web.archive.org/web/20081203175410/http://www.chinaculture.org/gb/en_madeinchina/2005-07/21/content_70825.htm|url-status=dead|title=The invention and influences of stirrup|archivedate=December 3, 2008}}</ref> * [[Kama Sutra]], dated between {{Circa|400}} BC to c. 300 AD.<ref name="google">{{cite book |author=Sengupta, J. |url=https://books.google.com/books?id=V9Y_tQfm_WgC |title=Refractions of Desire, Feminist Perspectives in the Novels of Toni Morrison, Michèle Roberts, and Anita Desai |date=2006 |publisher=Atlantic Publishers & Distributors |isbn=978-81-269-0629-1 |page=21 |access-date=7 December 2014 |archive-url=https://web.archive.org/web/20160504150511/https://books.google.com/books?id=V9Y_tQfm_WgC |archive-date=4 May 2016 |url-status=live}}</ref><ref>{{Cite book |last1=Kakar |first1=Sudhir |url=http://archive.org/details/kamasutra00vats |title=Kamasutra |last2=Doniger |first2=Wendy |publisher=Oxford University Press |year=2003 |isbn=978-0-19-283982-4 |location=Oxford; Toronto |pages=xi |language=en}}</ref> * [[Iron pillar of Delhi]], India is the world's first Iron Pillar.{{Citation needed|date=August 2022}} * [[Trigonometric functions]]: The trigonometric functions [[sine]] and versine originated in Indian astronomy.<ref>{{cite book |last1=Bag |first1=A.K. |title=Mathematics In Ancient and Medieval India |date=1979 |publisher=Chaukhambha Orientalia |location=Delhi |page=15 |url=https://archive.org/details/mathematicsinancientandmedievalindiabaga.k.chowkambha_935_I/page/15/mode/2up}}</ref> * [[Codex Sinaiticus]] and the [[Codex Vaticanus Graecus 1209]], are the earliest Christian bibles.<ref name="Aland">{{Cite book |last1=Aland |first1=Kurt |title=The Text of the New Testament: An Introduction to the Critical Editions and to the Theory and Practice of Modern Textual Criticism |last2=Aland |first2=Barbara |publisher=[[William B. Eerdmans Publishing Company]] |others=Erroll F. Rhodes (trans.) |year=1995 |isbn=978-0-8028-4098-1 |location=Grand Rapids, Michigan |page=109 |author-link1=Kurt Aland |author-link2=Barbara Aland}}</ref><ref name="INTF">{{Cite web |title=Liste Handschriften |url=http://intf.uni-muenster.de/vmr/NTVMR/ListeHandschriften.php?ObjID=20003 |access-date=16 March 2013 |publisher=Institute for New Testament Textual Research |location=Münster}}</ref> * [[Book of Steps]], [[Syriac literature|Syriac religious discourses]].{{Citation needed|date=August 2022}} Summary: Please note that all contributions to Christianpedia may be edited, altered, or removed by other contributors. If you do not want your writing to be edited mercilessly, then do not submit it here. You are also promising us that you wrote this yourself, or copied it from a public domain or similar free resource (see Christianpedia:Copyrights for details). Do not submit copyrighted work without permission! Cancel Editing help (opens in new window) Discuss this page