(Evolution Timeline Infographic Creator) Create a vintage-style educational infographic poster titled 'Denim through the decades — 1880s workwear / 1950s rock-n-roll / 1970s flares / 1990s baggy / 2000s low-rise / 2020s wide-leg'. Layout: A chronological timeline layout showing the evolution of a subject, with numbered illustrations of each stage, connected by chain/arrow lines. Each stage includes a name, year, and country flag. Style: Retro sepia-toned illustration style, hand-drawn line art, warm aged paper texture, classic serif typography, direct high-quality image generation. Subject: 'Denim through the decades — 1880s workwear / 1950s rock-n-roll / 1970s flares / 1990s baggy / 2000s low-rise / 2020s wide-leg evolution timeline infographic'.