1880 – Oswald Arnold Gottfried Spengler, born on the 29th of May in Blankenburg, Germany. He was a German historian and philosopher whose interests also included mathematics, science, and art.
1903 – He failed his doctoral thesis on Heraclitus because of insufficient references, which effectively ended a chance for a career in academia.
1904 – He received his Ph.D in University of Halle.
1905 – He suffered a nervous breakdown.
1908 – 1911 – He taught at a practical high school (Realgymnasium) in Hamburg. There he taught science, German history, and mathematics.
1911 – Following his mother’s death, he moved to Munich.
1918 – He is best known for his book The Decline of the West in which he puts forth a cyclical theory of the rise and decline of civilizations.
1920 – Produced his Prussianism and Socialism, in which he argued for an organic version of socialism and authoritarianism.
1924 – Following the social-economic upheaval and inflation, he entered politics in an effort to bring Reichswehr general Hans von Seeckt to power as the country’s leader.
1933 – His refusal to support Nazi ideas of racial superiority, and his work the Hour of Decision, which is critical of the Nazis, gained him ostracism.
1936 – He died of a heart attack on the 8th of May, three weeks before his 56th birthday and exactly nine years before the fall of the Third Reich.