The 1998–2000 border war was triggered by a skirmish in Badme. A boundary commission awarded it to Eritrea, but Ethiopia occupied it until 2018.

It provides the shortest maritime route between Europe and the lands lying around the Indian and western Pacific oceans.

Fukuyama argued that the end of the Cold War marked the endpoint of mankind's ideological evolution, a thesis largely contested by the rise of authoritarian powers in a multipolar world.

The 2018 National Defense Strategy signaled a shift from counter-terrorism to Great Power Competition (Russia/China).

Hosni Mubarak was forced to resign in 2011 after massive protests in Tahrir Square.

Ireland repealed the Eighth Amendment via a referendum.

The movement began as a protest against fuel tax increases.

Protesters used umbrellas to shield themselves from pepper spray while demanding transparent elections.

The movement highlighted the wealth gap with the slogan 'We are the 99%'.

North Korea became the first country to withdraw from the NPT and conduct a nuclear test in the 21st century.