(historical) A Greek-Macedonian empire created by Seleucus out of the eastern conquests of Alexander the Great and ruled by the Seleucid dynasty (312–63 BCE).

The practice of obtaining more power, responsibility or staff within an organisation for the purpose of self-aggrandisement.

(historical) 24 May, the birthday of Queen Victoria, observed annually from 1902 as a celebration of the British Empire, then superseded by Commonwealth Day in 1958.

A region of southern California, chiefly consisting of western Riverside County and southwestern San Bernardino County

(historical) The portions of southern California given to citrus cultivation in the early 20th century, including Orange County, western Riverside County, southwestern San Bernardino County and eastern Los Angeles County

(historical, geography) An empire in Europe; The empire of the Huns, established as a unified force by Oktar and ending with Attila, all within the mid-5th century CE, out of the Hun Confederation's pre-existing tribal confederation High Kingship, which survived the end of empire.

(historical) Of timber and other produce, grown in the British Empire and imported into Britain.

(formal, history) An Imperial Japanese collaborationist state active from 1934 to 1945.

(historical) A European great power that exercised territorial control over much of the Baltic region from 1611 to 1721.

(historical) An alliance of three Nahua altepetl city-states: Mexico-Tenochtitlan, Tetzcoco, and Tlacopan.