https://en.wikipedia.org/wiki/Main_Page - The Free Encyclopedia
http://bestofukraine.com - Your best travel guide to Ukraine
http://projectbritain.com - All about British Life and Culture
http://kidskonnect.com/subject-index- About People, Animals, Art, Countries, Places, Geography, History, Science, Fun and Informational, Games, Puzzles, Health, Holidays, Seasons, Language, Maths, Museums, Aquariums, Planetariums, Music, Sports
http://ideafinder.com/history/of_inventions - About great inventions of the world