Snipers shot dead five police officers and injured six others in Dallas during a protest against police shootings of black men on Friday.
Hundreds of Hungarian teachers held a nationwide walkout in a growing revolt against the government's tight grip on education
From London and Paris to New Delhi and Sao Paulo, traditional taxi drivers united worldwide against Uber in 2015, a year that saw riots, legal battles and even a kidnapping in protest against the startup.
Over 70,000 people sign a petition to ban Donald Trump from entering Britain after his call to bar Muslims from entering the United States.
More than 1,000 people marched through the streets of Madrid calling for official recognition of crimes committed during the era of dictator Francisco Franco, 40 years after his death.
Tens of thousands of protesters poured into Warsaw's streets for a demonstration organised by the far-right, marching under the slogan "Poland for the Polish" and burning an EU flag.
Romania's president appealed for protesters' support in reforming the country, as the death toll rose to 45 from a horrific nightclub fire that brought down the government
Condemning racism and police heavy-handedness, thousands of people attended a "march of dignity" rally in Paris to mark a decade since the deaths of two youths sparked nationwide riots.
The colours blue and green symbolise the rift between opposing political parties in Taiwan, an entrenched divide that polarises friends and families, with this weekend's historic China summit adding fuel to the fire.
Activists set a police car alight and scuffled with riot police in central London as thousands took part in a "Million Mask March" anti-capitalist demonstration night.
Thousands of people protested against migrants in towns around the Czech Republic, a week after the UN slammed the country's treatment of new arrivals as "degrading".
Malaysia increasingly resembles a "police state" as the government uses repressive laws to silence critics including those demanding the prime minister answer corruption allegations.
Montenegro's Prime Minister Milo Djukanovic brushed off violent protests calling for his resignation, insisting they were not a threat to his country's stability.
Germany's xenophobic PEGIDA movement drew widespread condemnation from lawmakers and Jewish groups after a speaker at an anti-refugee rally used Nazi-era rhetoric.
Tens of thousands of people massed in the eastern German city of Dresden in counter rallies over the anti-migrant movement PEGIDA, with one demonstrator left seriously injured in a brief clash between the two sides.
French President Francois Hollande said the social turbulence currently gripping Air France, which was rocked by violent protests over job cuts, was not a reflection of the state of the country.
A protracted strike by hundreds of staff at London's National Gallery over the outsourcing of some services to the private sector ended.
Around 3,000 people rallied in the Montenegrin capital of Podgorica to back an opposition call for the left-wing government of Prime Minister Milo Djukanovic to resign.
Hundreds of pro-Kiev activists from Crimea's Tatar community launched a blockade of roads from Ukraine to the Crimean peninsula to protest Russia's seizure of their home region.
Thousands of people poured onto Moscow's streets for the first authorised opposition protest in a year-and-a-half, with Kremlin critic Alexei Navalny telling the crowds: "Change is possible."