Editing 1618 (section)

=== January&ndash;March ===
* [[January 6]]
**[[Jahangir]], ruler of the [[Mughal Empire]] in northern [[India]], gives an audience for the first time to a representative of the [[British East India Company]], receiving [[Sir Thomas Roe]] at the capital at [[Ahmedabad]].
**[[Ben Jonson]]'s play ''[[Pleasure Reconciled to Virtue]]'' is given its premiere performance, presented at the [[Palace of Whitehall]] in [[London]].
* [[January 28]] &ndash; Rules are established for the [[Ōoku]], the section of [[Edo Castle]] that housed the [[Shōgun]]'s [[Queen consort|consort]] and his [[concubinage|concubines]].
* [[February 18]] &ndash; [[Jeong In-hong]] becomes the new [[Yeonguijeong|Chief State Councillor]] (the ''Yeonguijeong'', similar to a Prime Minister) of the Joseon Kingdom in what is now North Korea, after being appointed by the [[Gwanghaegun of Joseon|Emperor Gwanghaegun]].
* [[February 26]] &ndash; [[Osman II]] deposes his uncle [[Mustafa I]] as [[Ottoman sultan]] (until [[1622]]).
* [[March 8]] &ndash; [[Johannes Kepler]] discovers the [[Kepler's laws of planetary motion|third law of planetary motion]] (after some initial calculations, he soon rejects the idea, but on [[May 15]] confirms the discovery).<ref>{{cite book|title=Nuncius|url=https://books.google.com/books?id=agZSAQAAIAAJ|year=2009|publisher=L.S. Olschki|page=359|language=en}}</ref>