Editing Cleomenes I (section)

{{Short description|Agiad King of Sparta from c.524 BC to c.490 BC}}
{{Use British English|date=February 2025}}
{{Use dmy dates|date=February 2025}}
{{Infobox royalty
| name         = Cleomenes I
| title        = 
| image        = 
| caption      = 
| succession   = [[List of kings of Sparta|King of Sparta]]
| reign        = {{circa|524 BC}} – {{circa|490 BC}}<ref>{{cite book|last1=Grant|first1=Michael|title=Rise of the Greeks|page=[https://archive.org/details/riseofgreeks00gran_0/page/100 100]|date=1987|publisher=C. Scribner's Sons |isbn=978-0-684-18536-1|url-access=registration|url=https://archive.org/details/riseofgreeks00gran_0/page/100}}</ref>
| predecessor  = [[Anaxandrides II]]
| successor    = [[Leonidas I]]
| birth_date   = 
| birth_place  = 
| death_date   = {{circa|490 BC}}
| death_place  = 
| burial_date  = 
| burial_place = 
| spouse       = 
| issue        = [[Gorgo (Sparta)|Gorgo]]
| house        = Agiad
| house-type   = Dynasty
| father       = [[Anaxandrides II]]
| mother       = 
| religion     = 
}}
'''Cleomenes I''' ({{IPAc-en|k|l|iː|ˈ|ɒ|m|ᵻ|n|iː|z}}; [[Greek language|Greek]] Κλεομένης; died c. 490 BC) was Agiad [[Kings of Sparta|King]] of [[Sparta]] from c. 524 to c. 490 BC. One of the most important Spartan kings, Cleomenes was instrumental in organising the Greek resistance against the [[Achaemenid Empire|Persian Empire]] of [[Darius the Great|Darius]], as well as shaping the geopolitical balance of [[Classical Greece]].