Monday's summit aiming to end the conflict in eastern Ukraine will see Russia's Vladimir Putin face off with Ukraine's Volodymyr Zelensky for the first time.

The year 2019 saw an explosion of demonstrations across the world as people demanded an overhaul of entrenched political systems and action on climate change.

Iran has been gripped by protests since November 15, which broke out hours after the government raised fuel pump prices by at least 50 percent in the sanctions-hit country.

Here is a recap of the eruption of violence that followed.

In its 150 years of operations, the Suez Canal has been through wars and high-stakes power struggles as it imposed itself as a vital international waterway.

Iran announced on Wednesday further steps walking back on its commitments under the 2015 nuclear deal with major powers.

Following are the main armed groups in Mali, where authorities are battling a jihadist insurgency and conflict rages between ethnic communities.

- Group to Support Islam and Muslims (GSIM) -

Key dates in the relationship between Iran and the United States:

Iran has worked to turn sweeping anti-government protests in Iraq from a threat to its hard-earned influence over its neighbor into an opportunity for political gains, analysts say.

In Lebanon too, where similar rallies against corruption and government inefficiency have broken out, Iran's main ally Hizbullah has managed to maintain its influence.

Forty years ago, Islamist students stormed the US embassy in Tehran and took 52 Americans hostage for 444 days in a crisis that came to symbolise the long and bitter standoff between the two countries.

The Islamic State supremo Abu Bakr al-Baghdadi, who President Donald Trump on Sunday confirmed was killed during a U.S. military operation in Syria, had been announced dead several times since 2014. Here is a recap: