Y gwahaniaeth rhwng diwygiadau o "Nigeria"

Ers 2002 gwelwyd trais ar gynnydd e.e. [[Boko Haram]] y mudiad Islamaidd sy'n dymuno disodli llywodraeth y wlad gyda llywodraeth wedi'i seilio ar gyfraith Sharia.<ref name="AJAN">{{cite web|url=http://www.aljazeera.com/news/africa/2011/12/20111224124241652788.html|title=Dozens killed in Nigeria clashes|publisher=Al Jazeera|date=24 December 2011|accessdate=24 December 2011}}</ref><ref name="Olugbode">{{cite news|url=http://allafrica.com/stories/201102030036.html|title=''Nigeria: We Are Responsible for Borno Killings, Says Boko Haram''|work= allAfrica.com|date=2 Chwefror 2011|accessdate=31 Ionawr 2012|last=Olugbode|first=Michael|quote=The sect in posters written in Hausa and pasted across the length and breadth of Maiduguri Wednesday morning signed by the Warriors of Jamaatu Ahlis Sunna Liddaawati Wal Jihad led by Imam Abu Muhammed Abubakar Bi Muhammed a .k .a Shehu claimed they embarked on the killings in Borno "in an effort to establish Sharia system of government in the country".}}</ref> Yn ôl Arlywydd y wlad ym Mai 2014 roedd ymododiadauymosodiadau Boko Haram wedi lladd 12,000 o bobl.<ref name="May 17, 2014">{{cite web|author=17 Mai 2014 |url=http://www.premiumtimesng.com/news/160942-boko-haram-killed-12000-nigerians-plans-take-country-jonathan-says.html |title=Boko Haram has killed over 12,000 Nigerians, plans to take over country, Jonathan says – Premium Times Nigeria |publisher=Premiumtimesng.com |date=2014-05-17 |accessdate=2014-06-04}}</ref> Ymunodd y gwledydd sy'n ffinio â Nigeria i geisio ffrwyno'r terfysgwyr, yn bennaf fel ymateb i [[Ffrwydradau Nigeria, Nadolig 2011]] a [[Herwgipio merched ysgol Chibok, 2014]].<ref name="AfricaUnited">{{cite news|title=Boko Haram to be fought on all sides|url=http://www.nigeriannews.net/index.php/sid/222083321/scat/8db1f72cde37faf3/ht/Boko-Haram-to-be-fought-on-all-sides|accessdate=May 18, 2014|publisher=''Nigerian News.Net''}}</ref>