The Louvre was originally constructed as the fortress of Philippe Auguste in 1190. Van Gogh cut off part of his ear because he was drunk & trying to impress a woman. The word horizontal is derived from the word horizon. A line that directly from left to right or right to left, is horizontal. If you mix red and blue you get purple. Yellow and blue make green. Blue, red, and yellow are primary colors. Green and purple are secondary colors.