To all who call Scotland home and everyone around the world who holds it dear – Happy St Andrew's Day! The use of the saltire as a flag dates to at least the 9th century AD, but we have something MUCH older – a piece of granite with a perfect quartz vein 🏴󠁧󠁢󠁳󠁣󠁴󠁿 ! #StAndrewsDay #StAndrews #Scotland #saltireb#NationalMuseumOfScotland