Historical clue formulations

• ___ Guofeng, successor of Mao Zedong — 2026-09-28
• ___ Guofeng, successor to Mao Zedong — 2026-04-29
• ___ Guofeng, successor to Mao — 2022-07-25
• Mao's successor — 2016-01-17
• Mao's designated successor — 2013-09-28
• Mao's successor as Chinese Communist leader — 2005-10-30
• Mao's successor — 2004-09-01
• 1970's Chinese premier — 1998-01-25