Historical clue formulations

• Advocate for the political mobilization of the proletariat — 2026-01-17
• Red Square presence since 1924 — 2025-11-22
• October Revolution leader — 2024-12-11
• Inspiration for Old Major in Orwell's "Animal Farm" — 2024-07-05
• Leader in a 1917 revolution — 2023-03-14
• World leader born Vladimir Ilyich Ulyanov — 2022-04-06
• World leader who appeared on a Time magazine cover 40 years after his death — 2022-02-27
• "Imperialism, the Highest Stage of Capitalism" author — 2021-10-17
• His tomb is in Red Square — 2021-08-29
• Leader on view in Red Square — 2019-12-03
• Acclaimed 2017 biography subtitled "The Man, the Dictator, and the Master of Terror" — 2019-09-15
• Leader born Vladimir Ilyich Ulyanov — 2019-09-04
• One interred in Red Square — 2019-01-17
• ___ Peace Prize (award discontinued in 1990) — 2014-10-12
• Inspiration for Old Major of "Animal Farm" — 2014-01-21
• Name that starts a well-known "ism" — 2014-01-19
• Biography subtitled "A Revolutionary Life" — 2013-08-04
• Survivor of two 1918 assassination attempts — 2013-06-14
• "April Theses" writer — 2013-04-18
• He wrote "One Step Forward, Two Steps Back" — 2013-01-27
• "Imperialism, the Highest Stage of Capitalism" writer — 2012-03-16
• October Revolution leader — 2011-06-28
• Comintern creator — 2010-10-30
• Red head? — 2010-06-03
• Big Red — 2009-10-11
• Russian revolutionary with a goatee — 2009-06-15
• Bygone leader with a goatee — 2009-02-12
• "What Is to Be Done?" writer — 2008-08-30
• Leader with a goatee — 2008-04-06
• His tomb is in Red Square — 2008-02-18
• "What Is to Be Done?" pamphleteer, 1901 — 2007-12-06
• His statue (minus its head) can be found in Arlington's Freedom Park — 2007-05-11
• He's entombed in Red Square — 2006-08-22
• "The State and Revolution" writer — 2006-02-04
• Red Square notable — 2006-01-31
• Onetime Red head — 2005-08-03
• Revolutionary leader — 2005-03-03
• He said "A lie told often enough becomes truth" — 2005-02-13
• Stalin's predecessor — 2003-04-14
• Overthrower of Kerensky — 2003-03-09
• Early 20th-century leader — 2003-02-13
• "The State and Revolution" author — 2002-10-19
• Moscow's ___ Museum — 2002-10-04
• The Soviets' Order of ___ — 2002-09-15
• Russian Revolution leader — 2002-07-22
• Red Square figure — 2001-02-14
• 1917 newsmaker — 1999-12-24
• Kerensky's successor — 1999-06-27
• Red leader — 1999-04-28
• Remains in Red Square? — 1998-12-24