Deaths on January 1

Yvon Dupuis, Canadian politician (b. 1926)

Yvon Dupuis, (October 11, 1926 – January 1, 2017) was a Canadian politician.

2 Mar

Periodic table
The elements Moscovium, Tennessine, and Oganesson were officially added to the periodic table at a conference in Moscow, Russia
3 Mar

Nintendo Switch
Nintendo releases the hybrid video game console Nintendo Switch worldwide to critical acclaim.
23 May

Battle of Marawi
Philippine President Rodrigo Duterte declared martial law in Mindanao, following the Maute's attack in Marawi.
14 Jun

Grenfell Tower fire
London: A fire in a high-rise apartment building in North Kensington leaves at least 80 people dead and another 74 injured.
1 Aug

Afghanistan
A suicide attack on a mosque in Heart, Afghanistan kills 20 people.