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{{BC year in topic|561}}

The year '''561 BC''' was a year of the [[Roman calendar|pre-Julian Roman calendar]]. In the [[Roman Empire]], it was known as '''year 193 ''[[Ab urbe condita]]'''''.<ref>{{cite web|url=https://catalog.loc.gov/vwebv/holdingsInfo?searchId=3488&recCount=25&recPointer=1&bibId=8693069 | last=Webster | first= Noah | title= An American dictionary of the English language; exhibiting the origin, orthography, pronunciation, and definitions of words | editor= N. J. White | location= New York | date= 1838 }}</ref> The denomination 561 BC for this year has been used since the early medieval period, when the [[Anno Domini]] [[calendar era]] became the prevalent method in Europe for naming years.<ref>{{cite web|url=http://www.encyclopedia.com/topic/Saint_Bede.aspx |title= Saint Bede|editor=encyklopedia | author= A. E. Redgate| access-date=2016-07-16}}</ref>

==Events==
* [[Croesus]] becomes king of Lydia (or [[560 BC]]).<ref>{{cite web| url=https://www.britannica.com/biography/Croesus |title=Croesus King of Lydia | editor=encyclopaedia britannica | access-date=2016-07-16}}</ref>
* All eight solar system planets, including the now redefined dwarf planet [[Pluto]], fall into planetary alignment.<ref>{{cite web| url=https://curious.astro.cornell.edu/about-us/57-our-solar-system/planets-and-dwarf-planets/orbits/246-when-was-the-last-time-all-9-planets-were-aligned-beginner | title= When was the last time all of the planets were aligned? | author=Dave Kornreich | editor= Cornell | date=2015-07-01 | access-date= 2016-07-17}}</ref>

==Deaths==
* [[Alyattes of Lydia|Alyattes]], king of Lydia (or [[560 BC]])<ref>{{cite web| url=https://www.britannica.com/biography/Alyattes | title=Alyatte II | editor=encyclopaedia britannica | access-date=2016-07-16}}</ref>
* [[Zedekiah]], king of [[Kings of Judah|Judah]]

==References==
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