Flag of Poland the other two. Due to the horizontal bicolor being a relatively simple and widespread flag design, and white and red being the most popular colors used on flags, there are many flags worldwide that are similar or near identical to the flag of Poland despite being unrelated to it. For example, the historical flag of Bohemia, the major historical region of Poland's southern neighbor, the Czech Republic, consists of two horizontal stripes, white on top and red on bottom. Similarly to the flag of Poland, it is of heraldic origin, the coat of arms of Bohemia being "Gules, a lion
Flag of the Netherlands flag in turn is believed to have influenced many flags of other Slavic countries, resulting in many red-white-blue styled tribands in other parts of Europe. Peter the Great of Russia was building a new Russian Navy mostly on Dutch standards; therefore the Russian merchant flag at sea would be the inverted colours of the Dutch flag. Flag of the Netherlands The flag of the Netherlands () is a horizontal tricolor of red, white, and blue. The tricolor flag is almost identical to that of Luxembourg, except that it is shorter and its red and blue stripes are a darker shade.