Minimalist horizontal timeline infographic of human existence from Homo sapiens (~300,000 years ago) to present, featuring major milestones: emergence of Homo sapiens, discovery of fire, development of language, invention of agriculture, rise of first cities, invention of writing, classical civilizations, industrial revolution, moon landing, digital age. Each milestone represented by a simple flat icon, monochrome with blue accent, modern sans-serif labels, clean spacing, clean and modern design.emoji