Revised definitions of the SI base units, adopted at the 26th General Conference on Weights and Measures (CGPM), that came into force on 20 May 2019

2018 FIFA World Cup — 21st FIFA World Cup, held in Russia

2018 Winter Olympics — 23rd edition of Winter Olympics, in Pyeongchang, South Korea

2018 Asian Games — 18th edition of the Asian Games

2018–19 UEFA Nations League — 2018–2019 edition of the UEFA Nations League

2018 Formula One World Championship — 69th season of Formula One motor racing

January 2018 — month of 2018

2018–19 UEFA Europa League — 48th season of Europe's secondary club football tournament organised by UEFA

2018 Summer Youth Olympics — 2018 edition of the Summer Youth Olympics

China–United States trade war — economic conflict since 2018

Biathlon at the 2018 Winter Olympics — 2018 edition of the biathlon competitions during the Olympic Winter Games