Editing 1903 (section)

===March===
{{Main|March 1903}}
* [[March 2]] &ndash; In [[New York City]], the [[Martha Washington Hotel]], the first hotel exclusively for women, opens.
* [[March 3]] &ndash; The British Admiralty announces plans to build the [[Rosyth Dockyard]] as a naval base at [[Rosyth]] in Scotland.
* [[March 5]] &ndash; The [[Ottoman Empire]] and the [[German Empire]] sign an agreement to build the [[Baghdad Railway|Constantinople–Baghdad Railway]].
* [[March 12]] &ndash; The [[University of Puerto Rico]] is founded.
* [[March 13]] &ndash; Having abolished the [[Sokoto Caliphate]] in West Africa, the new British administration accepts the concession of its last [[vizier]].<ref>{{cite book|last=Falola|first=Toyin|title=Colonialism and Violence in Nigeria|year=2009|publisher=Indiana University Press|location=Bloomington}}</ref>
* [[March 14]] &ndash; The [[Hay–Herrán Treaty]], granting the United States the right to build the [[Panama Canal]], is ratified by the [[United States Senate]]. The Colombian senate later rejects the treaty.