Sentanese Transition

 (尖端島推移 Sentanese suii), also known in Sentan as the Great Monarchization Event (偉大な君主化イベント Idaina kunshu-ka ibento); was a period of the history of Sentan following Asuka's Imperial Movement's victory in the New Edo War and the fall of New Japan in 1914, in which Asuka converted the nation from the authortarian presidental republic to the parliamental consitutional monarchy and proclamed himself as the emperor, leading to the creation of the Sentanese Empire.