Turkish President Recep Tayyip Erdogan is set to travel to Azerbaijan on Sunday, a carefully calibrated diplomatic mission designed to patch up frayed ties between the two historically close Turkic allies, which have hit their lowest point in recent memory following a controversial headscarf ban rolled out in Azerbaijani educational institutions this September. The official stated purpose of the trip, as Erdogan confirmed to assembled journalists on Thursday, is to join Baku’s national Victory Day commemorations scheduled for November 8. The tensions that preceded this visit have unfolded over weeks of escalating diplomatic friction, triggered when the Azerbaijani government implemented a policy barring both students and teaching staff who wear headscarves from accessing primary and secondary school campuses. The policy quickly sparked widespread public pushback across Turkey, with thousands of users taking to Turkish social media platforms to voice harsh criticism of the Azerbaijani administration, a wave of condemnation that even included sitting Turkish government officials. The public backlash in Turkey deeply agitated Baku, which made its displeasure abundantly clear when Azerbaijani President Ilham Aliyev opted to skip the recent Turkic States Summit hosted last week, a snub that sent an unambiguous signal of his administration’s lingering frustration. In a series of formal demands directed at Ankara, Azerbaijani authorities called for the dismissal of a Turkish presidential adviser, the launch of legal proceedings against social media commentators accused of posting insulting content about Aliyev, and the blocking of all online accounts that published critical content targeting the Azerbaijani government. In an initial bid to de-escalate tensions and convince Aliyev to attend the Turkic States Summit, Erdogan moved to remove the implicated presidential adviser from his post, and Turkish judicial authorities subsequently initiated legal processes against the targeted social media users. Even these significant concessions, however, failed to persuade Aliyev to appear at the summit. Erdogan revealed to reporters on Thursday that a flurry of high-level diplomatic outreach had already been deployed in the weeks leading up to his planned visit: he had held direct phone calls with Aliyev, dispatched both the head of Turkey’s National Intelligence Organisation and the country’s foreign minister on special missions to Baku, and sustained ongoing telephone diplomacy that even included direct communications between the two leaders’ spouses. “Both sides place enormous importance on the November 8 Victory Day observances,” Erdogan noted. “I have long emphasized that the bonds between Turkey and Azerbaijan stretch far beyond the standard parameters of conventional state-to-state diplomatic relations.” He went on to characterize the partnership as an unbreakable alliance forged by shared historical heritage, overlapping cultural identities, and a collective sense of shared destiny. Despite the months of intensive diplomatic efforts, it remains far from certain that Erdogan’s upcoming visit will fully resolve the lingering bad blood between the two capitals. Pro-government Azerbaijani media outlets continue to publish a steady stream of editorials openly criticizing Ankara, and last month’s visit by Turkish Foreign Minister Hakan Fidan to Baku was met with a distinctly chilly, dismissive reception. Turkish diplomatic circles have framed the entire sequence of events as an unfortunate misunderstanding, while Azerbaijani insiders have voiced a separate set of grievances, complaining that Ankara has increasingly adopted a patronizing posture that treats Azerbaijan as if it were an extension of Turkish domestic territory, rather than a fully independent sovereign state. “We are two separate, equal sovereign nations, and no one should ever lose sight of that fundamental fact,” a senior Azerbaijani source told Middle East Eye. Turkish diplomatic leadership is also hoping that Erdogan’s outreach during the upcoming trip will secure Aliyev’s commitment to attend the upcoming COP31 climate summit that Turkey is set to host in Antalya later this month, though as of press time, Baku has not issued any definitive public confirmation that the Azerbaijani president will participate in the global climate gathering.