Erdogan has repeated his claim that European leaders are behaving like 'Nazis'.
The Netherlands had previously warned its citizens not travel to Turkey amid referendum security concerns.
Erdogan accused Dutch politicians of behaving like 'Nazis' and compared Netherlands to 'banana republic'.
Protests in Rotterdam and Istanbul came after Netherlands stopped Turkish politicians holding rallies due to fears that tensions might spill over into expat communities.
A diplomatic spat has broken out between Turkey and several EU countries, after pro-Erdogan rallies were banned in European countries.
The diplomatic tensions continue to escalate as Turkish president keeps attacking the Netherlands.
Netherlands preventing Turkish ministers attending pro-Erdoğan rallies sparked anger.
Turkish foreign minister says Ankara's retaliation would be several times harsher.
President Recep Tayyip Erdogan strongly protested the cancellation of pro-referendum rallies in European countries.
Baghdad will need money and support from the US and others if it is to defeat jihadism.
The man travelled to the Middle East on a number of occasions.
Turkish President Erdogan vows Euphrates Shield campaign's next target is Kurdish-controlled Manbij.
Turkish backed rebels and the Kurds could be involved in the fight to take back Raqqa
Patrick Kabele from Willesden in London was stopped at Gatwick airport on way to Istanbul.
America's support of demographically inappropriate allies has aided jihadi recruitment.
The town of al-Bab in Northern Syria was one of the jihadists' strongholds in the country.
Abdulkadir Masharipov said his primary targets were Christians, and that he did not regret his actions.
A group of students had invited Grasso, who fought with the YPG in northern Syria, to speak at the university.
Melih Gokcek has said previously he believes Fethullah Gulen is planning an earthquake.
The American president said the countries share a commitment to fight terrorism.
Isis militants are now surrounded by the army from the south and Turkish-backed rebels from the north.
Syrian army and allied militia have effectively cut off supply routes for Islamist militants.