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Violet is the color of light at the short wavelength end of the visible spectrum. It is one of the seven colors that Isaac Newton labeled when dividing the spectrum of visible light in 1672. Violet light has a wavelength between approximately 380 and 450 nanometers. [2] The color's name is derived from the Viola genus of flowers. [3] [4]
Reunification Day (Vietnamese: Ngày Thống nhất), also known as Victory Day (Ngày Chiến thắng), Liberation Day (Ngày Giải phóng or Ngày Giải phóng miền Nam), or by its official name, Day of the Liberation of the South and National Reunification (Ngày giải phóng miền Nam, thống nhất đất nước) [2] is a public holiday in Vietnam that marks the event when the ...