Colony of Aden on 1 April 1937. On 18 January 1963, the colony was reconstituted as the State of Aden ( "Wilāyat ʿAdan") within the new Federation of South Arabia. The federation in turn became the People's Republic of South Yemen on 30 November 1967, marking the end of British rule. The hinterland of the Colony of Aden was separately governed as the Aden Protectorate. On 19 January 1839, the British East India Company landed Royal Marines at Aden to occupy the territory and stop attacks by pirates against British shipping to India. The British Army considered Aden an important place due to
Colony of British Columbia (1858–1866) However, until 1858, the region which now comprises the mainland of the Province of British Columbia was an unorganised area of British North America comprising two fur trading districts: New Caledonia, north of the Thompson River drainage; and the Columbia District, located south of the Thompson and throughout the basin of the Columbia River. With the signing of the Treaty of Washington in 1846, which established the US border along the 49th parallel, the HBC moved the headquarters of its western operations from Fort Vancouver on the Columbia River (present day Vancouver, Washington) to the newly established Fort Victoria, on