.577 (other)
.577 may refer to: * .577 Black Powder Express, a black powder, centerfire round * .577 Nitro Express, a rimmed metallic cartridge * .577 Tyrannosaur, a type of cartridge developed by A-Square in 1993 for big game hunting in Africa * .577/450 Martini–Henry, a black powder, centerfire round used by the British and British Empire militaries * .577 Snider, an obsolete cartridge produced around 1867 and replaced in service by the .577/450 Martini–Henry cartridge * The first three digits in the decimal expansion of Euler's constant, {{number disambiguation ...
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577 Black Powder Express
__NOTOC__ Year 577 (Roman numerals, DLXXVII) was a common year starting on Friday of the Julian calendar. The denomination 577 for this year has been used since early medieval times, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Events By place Byzantine Empire * Byzantine–Sassanid War of 572–591, Byzantine–Sassanid War: A Byzantine Empire, Byzantine expeditionary force under command of Justinian (magister militum per Orientem), Justinian (''magister militum'') invades Caucasian Albania, launching raids across the Caspian Sea against the Sassanid Empire, Persians. * Summer – Tiberius II Constantine, Tiberius, Byzantine co-ruler (''Caesar (title), Caesar''), establishes a naval base at Derbent on the Caspian Sea to construct a Byzantine fleet (approximate date). * Winter – Maurice (emperor), Maurice is appointed commander-in-chief of the Byzantine army in the East. He succeeds Justinian, despite complete lack ...
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