"Russian Tsar Nicholas II decides to try again for a son after 1904 and succeeds, this time with a non-hemophiliac son. Also, no World War I."
Russian Tsars:
Nicholas II (1868-1953), 1894-1953
Alexander IV (1908-1993), 1953-1993, son of previous
Alexander V (1935-2018), 1993-2018, son of...