General Knowledge
Flags & Symbols Quiz
Beyond country flags — Olympic rings, peace signs, and symbols from every domain.
Beyond country flags — Olympic rings, peace signs, and symbols from every domain.
Symbols shape the way we navigate the world, from the biohazard trefoil on lab doors to the Bluetooth icon on our phones. The International Organization for Standardization (ISO) maintains over 24,000 standards, many involving universal symbols that cross language barriers. Whether carved into ancient temples or stamped on modern road signs, these visual shorthand marks carry centuries of meaning in a single glance.
Each round presents 10 randomized questions from a pool of 50, with four multiple-choice options and instant feedback after every answer. Your final score comes with a performance tier and shareable results.
This quiz covers international organization emblems, religious and spiritual symbols, warning and safety icons, currency marks, zodiac signs, and the surprising origins of everyday symbols like the hashtag, the ampersand, and the power button. You'll discover why the Olympic rings have five colors, where the peace sign actually came from, and how a 10th-century Viking king ended up on your wireless devices.
The peace symbol was designed in 1958 by British artist Gerald Holtom for the Campaign for Nuclear Disarmament (CND). It combines the semaphore flag signals for the letters N and D — standing for "Nuclear Disarmament" — inside a circle. The downward lines represent a person with arms lowered in despair. It quickly became a universal symbol of peace and anti-war movements worldwide.
The five Olympic rings — blue, yellow, black, green, and red on a white background — were designed by Pierre de Coubertin in 1913. Each ring represents one of the five continents participating in the Games (Africa, the Americas, Asia, Europe, and Oceania). The six colors (including white) were chosen because every national flag in the world at that time contained at least one of them.
The universal recycling symbol — three chasing arrows forming a triangle — was designed in 1970 by Gary Anderson, a 23-year-old college student at the University of Southern California. He created it as part of a design contest held by the Container Corporation of America for the first Earth Day. The three arrows represent the three steps of recycling: collection, processing, and remanufacturing into new products.
Last updated: March 2026