Sources: BBC
Chad reportedly ends its military participation with the Multinational Joint Task Force (MNJTF) countering Boko Haram, saying Chadian ground forces will no longer operate outside its borders. 2020-04-11
Suspected Boko Haram militants have killed at least 50 people on an island on Lake Chad, bordering Cameroon and Chad. 2019-12-22
Twenty-six Boko Haram militants and 11 Chadian soldiers are killed in an ambush after the soldiers recover cattle that the militants had seized. Nine Chadian soldiers are injured. 2019-06-23
Three suicide bombers at Lake Chad kill at least 30 people and injure at least 80 others. Three women carried out the attack at a weekly market on an island on the Chadian side of the lake. No group claims responsibility; officials suspect the attacks were carried out by members of the Boko Haram militant group from neighboring Nigeria. 2015-12-5
A Boko Haram attack near Lake Chad kills at least 11 Chadian troops while 17 Boko Haram militants are also reportedly killed in the fighting following the pre-dawn strike on Chadian army positions. 2015-10-6
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
Following the January 16 Chad authorities decision to send troops to Nigeria and Cameroon to fight Boko Haram militants, the Russian ambassador to the country pledges to supply Cameroon with more modern weapons to combat the Islamist insurgents. 2015-01-17
The Military of Chad enters Cameroon to assist in fighting against Boko Haram insurgents. 2015-01-16
Refugees flee Nigeria's Borno State following the Boko Haram massacre in the town of Baga. 7,300 flee to neighbouring Chad while over 1,000 are trapped on the island of Kangala in Lake Chad. Nigeria's army vows to recapture the town, while Niger and Chad withdraw their forces from a transnational force tasked with combating militants. 2015-01-9
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