Hundreds of police are understood to have been involved in the operation in Belgium, Italy, Germany and the Netherlands.
The arrests came following an investigation dubbed Pollino that was launched in 2016 against the Italian mafia over allegations of cocaine trafficking, money laundering, bribery and violence.
Early-morning raids took place in Italy, the German states of North Rhine-Westphalia and Bavaria, as well as in Belgium and the Netherlands.
Officials speak at a press conference detailing 'Operation Pollino, ' a coordinated effort to fight organized crime in Europe, in The Hague, Netherlands, on December 5, 2018.
The 'Ndrangheta crime syndicate, which comes from Italy's Calabria region, is widely believed to be the most powerful Italian mafia organization, with massive rackets in money laundering and cocaine dealing.
He said over 3,000 kilogrammes of cocaine was seized in the Netherlands along with 140 kilogrammes of ecstasy pills and 2 million Euros in cash.
"One person was also arrested in Suriname, " a Dutch official said.
Officials hailed Wednesday's operation - dubbed "Operation Pollina" - as a serious blow to the group.
Police arrest 84 suspected mafia members in coordinated raids across four European countries
"It's nearly a cliche, but the operation carried out today confirms again the great danger of the 'ndrangheta, not just in drug trafficking, where it's the undisputed leader, but (also) in the financial sphere", said Francesco Ratta, a top police official in the southern Italian region of Calabria.
But some express caution and said the mafia will continue to pose threat as the group still has resources and is operating across the world.
The European police agency Europol said it was a "decisive hit against one of the most powerful Italian criminal networks in the world". They are accused of committing "serious crimes" including activities linked to worldwide drug trafficking, Italian police said in a statement.
European Parliament President Antonio Tajani, who is Italian, sent "congratulations" to the police forces involved, adding: "Europe fights 'Ndrangheta criminal groups".
On Tuesday, Italian police arrested new Cosa Nostra boss Settimino Mineo and dozens of other suspects in Sicily in a major swoop.
Just under half of the suspects were detained in Italy.
Dutch outlet NOS said that the 'Ndrangheta is known to operate its drug smuggling through the country's vibrant flower-trading industry.
He has made some adjustments which have helped him. "I don't think it's going to play a massive part in this game". The 24-year-old pacer has claimed 28 wickets in six Tests with an impressive economy of 2.91 per over.
It was always a nonsense that MPs, after the " meaningful vote ", would be somehow gagged from expressing a view. The opposition Labour Party said May needed to get a better deal or step aside and let them govern.
Of similar concern to North Atlantic Treaty Organisation is Russia's new SSC8 missile system. "It is mobile and hard to detect. The Russians began inspecting ships and the Ukrainians accused them of imposing an economic blockade.
AFL-CIO President Richard Trumka on Friday called for a major rewrite of the deal signed in Argentina at the Group of 20 summit. If the president follows through on his threat, congressional leaders will have six months to pass the measure.
They were announced as hosts to the January 6 (January 7 NZT) ceremony, to be broadcast live on United States network NBC . The HFPA loves to anoint new shows, but this year, Barry is the only new comedy that really blew the doors off.
Mr Trump said this week on Twitter that Beijing had agreed to "reduce and remove" tariffs the 40% tariffs it places on U.S. cars. I am a Tariff Man . "President Xi and I want this deal to happen, and it probably will".
The commemorations conclude on Thursday, when the casket will be flown back to Houston for a service at St. There will be a motorcade that transports Bush to Washington National Cathedral for a state funeral.
Because of how Twitter works, hyperlinks are automatically created when valid domains are written out in tweets. He tells CNET the whole process took him 15 minutes, and "I did it, mostly, because I could".
Huawei CFO arrested in Canada for alleged trade with Iran
After the dinner, the two nations announced they would pause any escalation of tariffs and resume trade negotiations for 90 days. Over the summer, Australia barred Huawei from providing 5G technology for wireless networks in the country over espionage fears.
5G Galaxy S10 with Snapdragon 855 seems like a done deal
In addition, Qualcomm re-launched its ultrasonic, under-glass fingerprint sensor technology, called the Qualcomm 3D Sonic Sensor. Similarly, it's possible to store an entire set of burst images or multiple lens profiles in the same container using HEIF .
Fortnite Creative Coming In Season 7
So we would assume that today's third and final poster offers yet more clues at new equipment coming to the game in Season 7. Many are speculating that season seven will be winter-themed, with most of the images featuring a winter aesthetic.
Apple Announces the Best Apps, Games, Movies of 2018
If you are someone who deals a lot with spam calls or texts, this app is definitely useful and could come in handy. If you were, for some reason, hoping to download CM File Manager or Kika Keyboard , I have some bad news.
Urban Meyer retiring after the Rose Bowl
Ohio State head football coach Urban Meyer is set to announce his retirement at a press conference Tuesday, the school announced. Meyer has piled up wins at Ohio State after a similar run over six years at Florida that included two national championships.
UN Security Council to meet on Iran missile test
Secretary of State Mike Pompeo said President Trump is building a new world order based on the foundation of American values. The Iran nuclear deal , although highly controversial, was considered one of the Obama administration's major legacies.