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Epirus, despotate of

(Encyclopedia)Epirus, despotate of. When, in 1204, the army of the Fourth Crusade set up the Latin Empire of Constantinople on the ruins of the Byzantine Empire, an independent Greek state emerged in Epirus under M...

equation of time

(Encyclopedia)equation of time: see solar time. ...

Fourth of July

(Encyclopedia)Fourth of July, Independence Day, or July Fourth, U.S. holiday, commemorating the adoption of the Declaration of Independence. The Second Continental Congress approved the Declaration on July 4, 1776...

Frankfurt, Treaty of

(Encyclopedia)Frankfurt, Treaty of, 1871: see Versailles, Treaty of, 1871. ...

Franklin, State of

(Encyclopedia)Franklin, State of, government (1784–88) formed by the inhabitants of Washington, Sullivan, and Greene counties in present-day E Tennessee after North Carolina ceded (June, 1784) its western lands t...

Amiens, Treaty of

(Encyclopedia)Amiens, Treaty of, 1802, peace treaty signed by France, Spain, and the Batavian Republic on the one hand and Great Britain on the other. It is generally regarded as marking the end of the French Revol...

Isidorus of Miletus

(Encyclopedia)Isidorus of Miletus ĭzĭdôrˈəs, mīlēˈtəs [key], name of two architects of the time of Justinian. The elder was associated with Anthemius of Tralles in rebuilding Hagia Sophia, a.d. 532–37; t...

Apollodorus of Damascus

(Encyclopedia)Apollodorus of Damascus, Roman architect and engineer, fl. late 1st to early 2d cent. a.d., b. Syria. Apollodorus was responsible for nearly all buildings designed under the emperor Trajan, for whom h...

islets of Langerhans

(Encyclopedia)islets of Langerhans: see pancreas. ...

Apollonius of Perga

(Encyclopedia)Apollonius of Perga, fl. 247–205 b.c., Greek mathematician of the Alexandrian school. He produced a treatise on conic sections that included, as well as his own work, much of the work of his predece...