The target of the attack was a bus filled with riot police and that Turkey's Interior Minister Suleyman Soylu claimed that the 20 wounded were all police officers.
Neo-Nazi group Nordiska Motståndsrörelsen held its biggest demonstration in recent years.
Violent confrontations between police and angry protesters continued for a second night on Sunday following the police shooting of 23-year-old Sylville K. Smith.
Police used armored vehicles and forceful tactics while making arrests and dispersing the hundreds who gathered to protest the death of Alton Sterling.
Tensions escalated underneath the Eiffel Tower and along the Champs-Élysées, in the aftermath of France's loss to Portugal.
Turkish authorities banned Istanbul's annual pride event this year, and police detained 19 people and fired tear gas at those who attempted to march anyway.
Several hundred migrants threw rocks, mattresses and branches onto the road to bring traffic to a standstill in an attempt to board vehicles to Britain, and riot police officers used up more than 600 canisters of tear gas to disperse the migrants.
The two days of protests and violence came as Istanbul's governor announced said that both Trans Pride and next weekend's Gay Pride celebrations will be banned this year, citing security concerns.
English hooligans clashed with French youth, riot police in and around an Irish pub in Marseilles. It's not the first incident of crowd trouble from English fans in the city.
Greek riot police and undercover security officers disguised as migrants are overseeing an operation to evacuate more than 8,000 migrants from a makeshift camp near the border with Macedonia.