Sources: BBC
Hundreds of Boko Haram militants attack a military post in Diffa, Niger, killing 16 soldiers and wounding nine others. In the ensuing gun battle, around 50 Islamist insurgents were killed. 2021-08-25
An overnight raid by suspected Boko Haram militants on Niger's southern border town of Abadam, kills two Nigerien Army soldiers and three civilians. And, separately, a suicide-bomb attack on Lake Chad killed three of the attackers but no one else. A military convoy was also ambushed by militants in northern Cameroon, although there were no reported deaths. 2015-12-23
At least 18 people are killed and over 100 homes torched after Boko Haram militants attacked a village near the commune of Bosso in Niger's southern Diffa Region. 2015-11-26
Boko Haram captures Karamga island in Lake Chad from Niger, killing many soldiers. 2015-04-26
Forces from Niger and Chad launch a ground and air offensive against Boko Haram Islamist militants in northeastern Nigeria. 2015-03-8
Boko Haram militants attack Chad for the first time after 30 fighters crossed Lake Chad in four motorboats and attacked the village of Ngouboua. Chad recently joined Nigeria, Niger, and Cameroon in a military coalition against Boko Haram. 2015-02-13
Boko Haram attacks two towns in Niger but is repulsed by the Niger Army with assistance from the Chad Air Force. [http:--www.stltoday.com-news-world-boko-haram-attacks-town-inside-niger-after-cameroon-article_d77e8109-715a-5757-9a45-82221d8d17d1.html (AP via "St Louis Post Dispatch")] [http:--www.ngrguardiannews.com-news-national-news-196944-nigerien-chadian-forces-repel-boko-haram-attack ("Nigerian Guardian")]date=August 2019 2015-02-6
Boko Haram captures the northeastern Nigerian town of Damasak, killing 50 and forcing more than 3,000 to flee across the border into Niger. 2014-11-24
Nigeria, Niger, Cameroon, Benin, and Chad join together to combat Boko Haram. 2014-05-17
The President of Nigeria Goodluck Jonathan declares a state of emergency in the states of Borno, Yobe, Niger and Plateau due to violence by the Islamist sect Boko Haram. [http:--www.abc.net.au-news-2012-01-01-nigeria-declares-state-of-emergency-3753958 (AFP via ABC News Australia)]Clashes in Ebonyi State in eastern Nigeria kill at least fifty people. [http:--old.news.yahoo.com-s-nm-20111231-wl_nm-us_nigeria_clashes (Reuters via Yahoo! News)]date=August 2019 Nigeria shuts borders with the countries Cameroon, Chad, and Niger. [http:--www.thenationonlineng.net-2011-index.php-news-update-31740-jonathan-declares-state-of-emergency-in-borno-yobe-plateau-and-niger-states.html (The Nation)][https:--web.archive.org-web-20120107132718-http:--www.sunnewsonline.com-webpages-news-national-2012-jan-01-national-01-01-2012-001.html (The Sun)]Clashes in Ebonyi State in eastern Nigeria kill at least fifty people. [http:--old.news.yahoo.com-s-nm-20111231-wl_nm-us_nigeria_clashes (Reuters via Yahoo! News)]date=August 2019 2011-12-31