Swastika appears on 15,000-year-old bird figurine in Ukraine. Vinča culture in Balkans used swastika on pottery 5500-4500 BCE. Indus Valley seals feature swastika around 3000 BCE. Hinduism right-facing swastika means sun and prosperity, left-facing sauvastika means Kali. Buddhism links swastika to Buddha's footprints and enlightenment. Jainism ties swastika to Tirthankara Suparshvanatha. Greeks, Romans, Norse, and Native Americans adopted swastika for life and cosmic order. Indo-European steppe migrations likely spread swastika via Kurgan hypothesis. Anatolian Neolithic farmers may have carried it to Europe. Trade networks diffused swastika without migration. Romanian Cuza used swastika pre-WWI for antisemitism. Nazis adopted swastika 1920 as Aryan race symbol. Nazi use stigmatized swastika as hate icon in West. Swastika remains sacred in Hinduism, Buddhism, Jainism. Prehistoric swastika spans Europe, Mesopotamia, Steppe, India. Diffusion from complex migrations, trade, exchanges.