Morsi, a Muslim Brotherhood member, was elected in 2012 but ousted by the military in 2013.

Chavez led Venezuela from 1999 until his death in 2013, promoting socialist policies funded by oil.

Snowden, a former contractor, revealed the extent of global surveillance programs run by the NSA in 2013.

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

Protesters carrying roses stormed the parliament, leading to the resignation of Eduard Shevardnadze.

The self-immolation of street vendor Mohamed Bouazizi in Tunisia sparked protests that spread across the Arab world.

The Orange Revolution was a series of protests against a rigged presidential election, resulting in a revote won by Viktor Yushchenko.

The US boycotted the Moscow games to protest the Soviet invasion of Afghanistan.

Student-led protests for democracy were forcibly suppressed by the Chinese military in June 1989.

Students in Soweto protested against being forced to learn in Afrikaans, the language of the apartheid government.