But Sunday's twin elections, for both president and parliament, represent the greatest challenge Erdoğan and his ruling Justice and Development Party (AKP) have faced since rising to power 16 years ago.
Turkish President Tayyip Erdogan speaks to the press after casting his ballot at a polling station in Istanbul, Turkey, on June 24, 2018.
In the presidential contest also taking place on Sunday, Erdogan was at 58 percent, with 30 percent of the votes counted, the broadcasters said.
He said told his followers: "If Erdogan wins, your phones will continue to be listened to, fear will continue to reign".
Addressing a rally in Istanbul on Saturday attended by hundreds of thousands of people, Ince promised to reverse what he and opposition parties see as a swing towards authoritarian rule under Erdogan in the country of 81 million people.
The AKP's results are expected to be lower than they were in the 2015 election, when the party received almost 50 percent, achieving a comfortable majority in the parliament.
Under constitutional amendments approved after a controversial 2017 referendum, Turkey is making a transition from a parliamentary system to a presidential one - giving the next president expanded powers, abolishing the prime minister's post, and eliminating numerous checks and balances created to help parliament protect against the misuse of presidential powers.The changes will take effect after the elections. The referendum effectively split Turkish society in half, as the amendment package passed by a close margin, securing 52 percent of the vote.
As he runs Turkey under a state of emergency crackdown imposed after a failed coup in 2016, Mr. Erdogan has concentrated enormous powers in his hands.
Donald Trump Explains Melania Trump's Controversial Jacket
In a dramatic reversal of his previous stance, Mr Trump signed an executive order to keep families together at the border. She put the jacket back on as she disembarked from her plane back at Joint Base Andrews near Washington , D.C.
Erdogan's announcement came a day after Devlet Bahceli, chairman of the Nationalist Movement Party (MHP) called for early elections to be held on August 26, 2018.
"Turkey will reach their level of development too and will be among the top ten countries in this respect", Erdogan said.
Meanwhile, Erdogan's main rival, opposition candidate Muharrem Ince, has been drawing large crowds of support and is expected to take the election into a second runoff vote with Erdogan.
Selahattin Demirtas, a jailed Turkish-Kurdish politician, is also a candidate for the pro-Kurdish Peoples Democratic Party's (HDP).
Six candidates are running for president and eight parties have fielded candidates for 600 parliamentary seats.
While Erdogan's opponents accuse him of a risky economic policy that has weakened Turkey, his supporters insist Turkey's infrastructure has improved manyfold under Erdogan and the AKP.
The constitutional overhaul would mean that Erdogan could stay in power for another two terms until 2029. The president, however, is facing a more robust and united opposition, which has vowed to return Turkey to a parliamentary democracy with strong checks and balances. "I hope that we will wake up to a more lovely day tomorrow".
Kurds make up about 18 percent of Turkey's 78 million people, mostly in eastern regions, and are expected to play a key role in deciding the outcome of the parliamentary elections.
It appears that OPEC could increase production, and if they do that will bring a lot more supply onto the marketplace. These numbers suggest that United States and handful of other non-OPEC countries will more than meet global demand.
One main reason for this downfall has been the shaky Chelsea back line that has conceded way too many goals this season. The 31-year-old scored 22 goals in all competitions and provided 9 assists for the side as well.
Although no one can no for sure, I have my doubts that Japan would have won its opener had it not been for the red card. It was not a problem he had four minutes later when he laid on a sweet backheel that Inui struck off the crossbar.
Netanyahu has been able to rally his base by presenting himself as the victim of a politically motivated witch hunt. The charges, which are referred to as "Meals-Ordering Affair", are denied by Sara Netanyahu on various occasions.
Following the shocking news, XXXTentacion's friends and fellow musicians took to social media to pay tribute to the young rapper. Cole had similarly kind words, calling him an "enormous talent" and saying he had a "strong desire to be a better person".
Despite being banned during the European Championships two years ago, Michel Platini was allowed attend the tournament. Using allegations from that case, FIFA's ethics committee opened its own inquiry and banned him for eight years.
The statement , however, did not include specifications as to how the two nations would reach denuclearization. This is Kim's third trip to China this year, coming a week after he met Trump in Singapore for historic talks.
This comes shortly after Canadian lawmakers passed the bill to legalize marijuana in the country via a 52-29 vote in the Senate. Canadians will soon be able to order marijuana through the mail as part of the nation's new legalization of recreational pot.
Later in the first half, striker Paolo Guerrero outsmarted Samuel Umtiti in the penalty area but fired his shot at Lloris's legs. Peru only lost 1-0 to Denmark in their opening match last weekend and can count themselves unfortunate to lose against France.
And the move is also unprecedented, because the U.S.is the first country to leave the council without being forced out. Nikki Haley confirmed the nation's exit during a joint appearance at the State Department.
UK's May defeats Brexit rebels, but divisions still reign
It also notes there is a parliamentary convention that time is made available to debate motions tabled by MPs on important issues. But Number 10 said ministers were confident of formulating a motion which John Bercow will rule is unamendable.
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Moeen was among those who got little or no chance to join in the fun as batsmen. Hales showed tremendous power but also nice placement and shot selection.
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Spain may be the favorite, but there's no reason Iran can't pull off an upset if they're able to disrupt the Spanish offense. By the time the final whistle was blown, it was a relief for Spain who had grabbed full points against a stubborn side.
Charlotte Hornets trade Dwight Howard to Brooklyn Nets
The Atlanta Hawks did the same thing last summer when they sent Howard to Charlotte for Marco Belinelli and Mason Plumlee. Howard went to Charlotte and declared himself team leader - despite the presence of Walker, the franchise player .
What can England do differently against Panama?
Kane, speaking to reporters as quoted by FourFourTwo , revealed what the Argentine had texted him post-game. I have a lot of determination, I enjoy being here and it is about stepping it up.
Kawhi, Pop had reportedly met Tuesday
According to ESPN , Los Angeles has acquired the No. 39 pick in the 2018 NBA Draft from the 76ers for a 2019 second-round pick. Popovich and Leonard reportedly met in person Tuesday night to discuss the superstar's future.