Image by IheartPGH via Flickr It started with a tweet – for the past few years – Spreadshirt.com has declared June 21st International T-shirt Day.  We posted a tweet yesterday suggesting a PGH t-shirt day celebration.  A few tweets later – we had an event.  Just finished a quick PGH t-shirt day get together with some of our PGH t-shirt friends from Commonwealth Press and Only in Pittsburgh.  Here is what we have got cooking – a t-shirt day celebration and later this summer a t-shirt show of Pittsburgh t-shirts. There is just something about the t-shirt and the PGH… Read the rest