Then-Prime Minister Recep Tayyip Erdogan met German Chancellor Angela Merkel in Spain on Nov. 27, 2005. (Archive)

Then-Prime Minister Recep Tayyip Erdogan met German Chancellor Angela Merkel at the Prime Ministry Building on Nov. 5, 2006. (Archive) (Kayhan Ozer- Anadolu Agency)

Then-Prime Minister Recep Tayyip Erdogan met German Chancellor Angela Merkel in Berlin on May 26, 2006. (Archive) (Kayhan Ozer- Anadolu Agency)

Then-Prime Minister Recep Tayyip Erdogan met German Chancellor Angela Merkel at the Hannover State Building on April 15, 2007. (Archive) (Hakan Goktepe- Anadolu Agency)

Then-Prime Minister Recep Tayyip Erdogan and German Chancellor Angela Merkel attended opening of 2007 Hannover Fair on April 16, 2007. (Archive) (Riza Ozel- Anadolu Agency)

Then-Prime Minister Recep Tayyip Erdogan met German Chancellor Angela Merkel as part of Union for the Mediterranean summit organized in French capital Paris on July 13, 2008. (Archive) (Yasin Aras - Anadolu Agency)

Then-Prime Minister Recep Tayyip Erdogan met German Chancellor Angela Merkel at the Prime Ministry on March 29, 2010. (Archive) (Kayhan Ozer - Anadolu Agency)

Then-Prime Minister Recep Tayyip Erdogan visited German Chancellor Angela Merkel in Germany Chancellery on Oct. 9, 2010. (Archive) (Kayhan Ozer - Anadolu Agency) ( Kayhan Özer - Anadolu Ajansı )

Then-Prime Minister Recep Tayyip Erdogan chatted with German Chancellor Angela Merkel at the G20 Seoul Summit on Nov. 12, 2010. (Archive) (Kayhan Ozer - Anadolu Agency)

Then-Prime Minister Recep Tayyip Erdogan with German Chancellor Angela Merkel attended Turkish-German Business Forum at Ciragan Palace in Istanbul on March 30, 2010. (Archive)

Then-Prime Minister Recep Tayyip Erdogan met with German Chancellor Angela Merkel in Germany on Oct. 31, 2012. (Archive) (Cuneyt Karadag - Anadolu Agency)

Then-Prime Minister Recep Tayyip Erdogan chatted with German Chancellor Angela Merkel and United Nations Secretary-General Ban Ki-moon at the G20 Leaders' Summit held in Strelna, Russia, on Sept. 6, 2013. (Archive) (Kayhan Ozer - Anadolu Agency)

Then-Prime Minister Recep Tayyip Erdogan welcomed German Chancellor Angela Merkel with official ceremony at the Prime Ministry on Feb. 25, 2013. (Archive) (Muammer Tan - Anadolu Agency)

Then-Prime Minister Recep Tayyip Erdoğan met German Chancellor Angela Merkel on Jan. 4, 2014 in Berlin. (Archive) (Kayhan Ozer - Anadolu Agency)

President Recep Tayyip Erdogan presented the stamps made by the PTT to commemorate the G20 Leaders' Summit, on 16 November 2015, t German Chancellor Angela Merkel on Nov. 18, 2015, at Istanbul’s Yildiz Palace. (Archive) Turkish Presidency/Murat Cetinmuhurdar – Anadolu Agency)

President Recep Tayyip Erdogan received German Chancellor Angela Merkel on Nov. 18, 2015, at Istanbul’s Yildiz Palace. (Archive) Turkish Presidency/Murat Cetinmuhurdar – Anadolu Agency)

President Recep Tayyip Erdogan received German Chancellor Angela Merkel on Feb. 8, 2016. (Archive) Turkish Presidency/Yasin Bulbul – Anadolu Agency)

President Recep Tayyip Erdogan met German Chancellor Angela Merkel on July. 8, 2016 at Poland’s capital Warsaw. (Archive) (Dursun Aydemir - Anadolu Agency)

President Recep Tayyip Erdogan received German Chancellor Angela Merkel on Feb. 2, 2017. (Archive) (Kayhan Ozer - Anadolu Agency)

President Recep Tayyip Erdogan was welcomed by German Chancellor Angela Merkel on July 7, 2017, at the G20 Leaders' Summit in Hamburg, Germany. (Archive) (Kayhan Ozer - Anadolu Agency)

Turkish President Recep Tayyip Erdogan and First Lady Emine Erdogan chatted with German Chancellor Angela Merkel on Nov. 11, 2018, at Orsay Museum in French capital Paris. (Archive) (Turkish Presidency – Anadolu Agency)

Turkish President Recep Tayyip Erdogan met German Chancellor Angela Merkel on Sept. 29, 2019, for breakfast. (Archive) (Cem Oksuz -Anadolu Agency)

Turkish President Recep Tayyip Erdogan received German Chancellor Angela Merkel on Sept. 24, 2019, in New York. (Archive) (Turkish Presidency/Murat Cetinmuhurdar – Anadolu Agency

Turkish President Recep Tayyip Erdogan met German Chancellor Angela Merkel on June 29, 2019, as part of the G20 Osaka leaders summit. (Archive) (Metin Aktas – Anadolu Agency)

Turkish President Recep Tayyip Erdogan and German Chancellor Angela Merkel attended the opening ceremony of new buildings for Turkish-German University in Istanbul on Jan. 24, 2020. (Archive) (Arif Hudaverdi Yaman -Anadolu Agency)

Turkish President Recep Tayyip Erdogan met German Chancellor Angela Merkel on June 14, 2021, in Brussels. (Archive) (Mustafa Kamaci -Anadolu Agency)

German Chancellor Angela Merkel met Turkish President Recep Tayyip Erdogan on Oct. 16, 2021, in Istanbul, Recep Tayyip Erdogan at Huber Mansion in Istanbul.

Then-Prime Minister Recep Tayyip Erdogan met German Chancellor Angela Merkel in Spain on Nov. 27, 2005. (Archive)