This article has multiple issues. Please help or discuss these issues on the talk page. (Learn how and when to remove these template messages)
This article does not cite any sources. Please help by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: – ···scholar·JSTOR(February 2018) (Learn how and when to remove this template message)
The topic of this article may not meet Wikipedia's notability guideline for events. Please help to demonstrate the notability of the topic by citing reliable secondary sources that are independent of the topic and provide significant coverage of it beyond a mere trivial mention. If notability cannot be shown, the article is likely to be merged, redirected, or deleted. Find sources: – ···scholar·JSTOR(August 2019) (Learn how and when to remove this template message)
This article provides insufficient context for those unfamiliar with the subject. Please help by providing more context for the reader.(August 2019) (Learn how and when to remove this template message)
This article may be expanded with text translated from the corresponding article in German. (December 2020) Click [show] for important translation instructions.
View a machine-translated version of the German article.
Machine translation like DeepL or Google Translate is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia.
Consider adding a topic to this template: there are already 7,681 articles in the main category, and specifying|topic= will aid in categorization.
Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article.
You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing German Wikipedia article at [[:de:Doppelwahl von 1256/57]]; see its history for attribution.
You should also add the template {{Translated|de|Doppelwahl von 1256/57}} to the talk page.
For more guidance, see Wikipedia:Translation.
(Learn how and when to remove this template message)
The imperial election of April 1, 1257 was an imperial election held by the Mark of Brandenburg, the Bishopric of Trier and the Duchy of Saxony to select the emperor of the Holy Roman Empire.