1838 – Born on the 28th of April in Amsterdam, Netherlands.
1862-1893 – He was professor of commercial and private international law at the University of Amsterdam.
1869 – Along with two associates, started the Revue de Droit International et de Législation Comparée (“Review of International Law and of Comparative Legislation”).
1873 – He was also a founder of the Institute of International Law.
1891 – Prevailed upon the Dutch government to convoke the Hague Conference for the Unification of International Private Law.
1893 – He became a member of the Dutch Council of State.
1899-1907 – He was a Netherlands delegate to the Hague peace conferences.
1911 – He was a Dutch jurist, cowinner (with Alfred Fried) of the Nobel Prize for Peace, for his role in the formation of the Permanent Court of Arbitration at the first Hague peace conference.
1911-1912 – He presided over conferences for the unification of the law relating to international bills of exchange.
1913 – Died on the 29th of July in The Hague, Netherlands.