1890 · Grand Duchy of Luxembourg Separates from the Netherlands
Luxembourg had gained their independence in 1867, but they were still under the possession of the kings of the Netherlands until William III died and the grand duchy passed to the House of Nassau-Weilburg.
1899 · Hague Peace Convention
The Hague Peace Convention was a series conferences that produced treaties and declarations. The convention took place in Hague, Netherlands. The conferences were among the first formal statements of the laws of war and war crimes in secular international law.
1 North German and Dutch: patronymic from the personal name A(a)rt, a reduced form of Arnt ( see Arndt , Arnold ), or sometimes from a reduced form of the personal name Alaert or Adriaan.2 German and Jewish (Ashkenazic): variant of Arzt ‘physician’.