article: Petro Poroshenko
links: 2019 Ukrainian presidential election Viktor Yushchenko Mykola Azarov Arseniy Yatsenyuk Maryna Poroshenko President of Ukraine Ukrainian Soviet Socialist Republic Volodymyr Groysman Taras Shevchenko National University of Kyiv Oleksandr Turchynov Anatoliy Kinakh Yulia Tymoshenko Soviet Union Bolhrad Orthodox Church of Ukraine Volodymyr Zelensky Cossacks