January 4 – Three days of mourning are declared for the victims of the January 2 terrorist attacks.[3]
February 21 – 2020–21 Nigerien general election second round.[4] Seven members of the National Electoral Commission are killed and three injured when their car hits an explosive device in Dargol.[5]
February 24 – Opposition leader Mahamane Ousmane declares he won the election the day after the Independent National Electoral Commission (CENI) announced former interior minister Mohamed Bazoum had won. CENI says Bazoum had 55.75% of the vote and Ousmane had 44.25%, but the latter claims there was fraud.[6]
February 26 – Mohamed Bazoum rules out a power-sharing deal with the opposition and blames it for bringing children from rural areas for post-election protests. Two people died and 400 were arrested during election violence.[7]
April 2 – Mohamed Bazoum is sworn in as president after a failed coup attempt.[1]
April 3 – The Niger human rights commission calls for an independent inquiry following alleged rapes, including that of an 11-year-old girl, by Chadian soldiers deployed to help fight armed groups.[11]
July to December
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July 12 – An attack in the Tchoma Bangou village kills five civilians and four soldiers. 40 attackers were also killed during the attack.[12]
August 16 – Armed assailants kill 37 people in the village of Darey Dey.[13]
August 25 – Militants aligned with Boko Haram attacked a military post in the Diffa Region, killing 16 soldiers and injuring 9 more. About 50 militants were killed in the resulting combat. [14]
October 13 – Mosque massacre kills 10 in Tillaberi. [15]
November 4 – 69 people, including the town mayor, were killed after gunmen ambushed a delegation in Banibangou.[16]
November 8 – 26 schoolchildren were killed and 13 others were injured during a school fire in Maradi.
November 27 – Two people were killed and 18 more were injured after protesters clashed with a French military convoy after it crossed the border from Burkina Faso.[17]