Home›Sources›Wikipedia: Roger Mortimer, 1st Earl of MarchSourcesWikipedia: Roger Mortimer, 1st Earl of MarchOnline Reference Encyclopedia ArticleCitation FormatsGeneral ReferenceGeneral Reference Citation TextHistory Atlas. "Wikipedia: Roger Mortimer, 1st Earl of March." Accessed August 30, 2026. https://dev-history.interactiveatlas.org/sources/wikipedia-roger-mortimer.Copy General ReferenceAPA StyleAPA Style Citation TextHistory Atlas. (n.d.). Wikipedia: Roger Mortimer, 1st Earl of March. Retrieved August 30, 2026, from https://dev-history.interactiveatlas.org/sources/wikipedia-roger-mortimerCopy APA StyleBibTeXBibTeX Citation Text@misc{historyatlas-wikipedia-roger-mortimer-1st-earl-of-mar, author = {History Atlas}, title = {Wikipedia: Roger Mortimer, 1st Earl of March}, year = {2026}, url = {https://dev-history.interactiveatlas.org/sources/wikipedia-roger-mortimer}, note = {Accessed August 30, 2026} }Copy BibTeXReference and ClassificationVerifiedThe Wikipedia encyclopedia article used in the History Atlas as a citation source for facts about this subject.FactsSourcesClaims Backed By This Source (14 claims)Comments (0)Reader Challenges (0 open reader challenges)FactsPublisherWell-attestedWikipediaURLWell-attestedhttps://en.wikipedia.org/wiki/Roger_Mortimer,_1st_Earl_of_MarchSource TypeWell-attestedencyclopediaReliability TierWell-attested2SourcesWikipedia: Roger Mortimer, 1st Earl of Marchtier 2WikipediaView the SourceClaims Backed By This Source (14 claims)This source backs 14 claims across the atlas. As facts: 8 well-attested. As cited relationships: 3 connected. Plus 3 entities citing it as a general reference with no single fact or relationship attached.Disposition By TopicHistorical Figures, 9 claims: 3 well-attested, 3 connected, 3 general references.Sources, 5 claims: 5 well-attested.Well-attested8Historical FiguresRoger Mortimer, 1st Earl of MarchSourcesWikipedia: Roger Mortimer, 1st Earl of MarchConnected3Historical FiguresRoger Mortimer, 1st Earl of MarchGeneral References3Historical FiguresRoger Mortimer, 1st Earl of MarchComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0 open reader challenges)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.View At A Past YearThe atlas records no dated fact of its own for this entry, so there is no other year to choose.Show This Year