Why is Tartan Day celebrated on April 6th? 🏴󠁧󠁢󠁳󠁣󠁴󠁿 🇨🇦 __________________ #scottishcanadian #novascotia #scotlandisnow #tartanday #declarationofarbroath #standrewstoronto #robertthebruce #standrewssociety #celticcanada