1844 – Born in Vienna, Austria on the 20th of February, to Ludwig Georg Boltzmann a tax official and Katarina Pauernfeind.
– Boltzmann attended high school in Linz, Upper Austria.
1859 – At age 15, he lost his father.
1863 – Studied physics at the University of Vienna.
1866 – Received his PhD degree at the University of Vienna working under the supervision of Stefan.
1867 – He became a Privatdozent.
1869 – Appointed full Professor of Mathematical Physics at the University of Graz in the province of Styria.
1871 – He was with Gustav Kirchhoff and Hermann von Helmholtz in Berlin.
1873 – Professor of Mathematics at University of Vienna.
1876 – On the 17th of July, he married Henriette von Aigentler; they had three daughters and two sons.
1885 – Became member of the Imperial Austrian Academy of Sciences.
1887 – He became the President of the University of Graz.
1890 – Appointed to the Chair of Theoretical Physics at the University of Munich in Bavaria, Germany.
1893 – Boltzmann succeeded his teacher Joseph Stefan as Professor of Theoretical Physics at the University of Vienna.
1895 – Became a professor of philosophy and history of sciences.
1900 – He went to the University of Leipzig, on the invitation of Wilhelm Ostwald.
1902 – Boltzmann came back to Vienna.
1906 – On the 5th of September he committed suicide during an attack of depression.