Lustrum of wild beasts, plural lustra ( ), a den of vice. Lustrum A lustrum (, plural lustra) was a term for a five-year period in Ancient Rome. The lustration was originally a sacrifice for expiation and purification offered by one of the censors in the name of the Roman people at the close of the taking of the census. The sacrifice was often in the form of an animal sacrifice, known as a suovetaurilia. These censuses were taken at five-year intervals, thus a lustrum came to refer to the five-year inter-census period. ' (from ', ) is a lustration or
Who is a Jew? a Jew was someone who practiced Judaism. The definition gradually changed in the beginning of the 20th century due to the emergence of racial ideology. The European definition is traditional in many respects, and reflects not only how the Europeans saw Jews, but also how Jews saw themselves. In the former Soviet Union, "Jewish" was a nationality by law, as with other nationalities such as Russians, Ukrainians, Georgians and others. There were certain restrictions on their civil liberties in the early years of the Soviet Union. The modern genealogical DNA test of ethnicity is certainly a non-religious definition of 'who