For example, Saudi Arabia and Thailand have not exchanged ambassadors since 1989, due to the still-unresolved Blue Diamond Affair.
NYPD Blue | Toronto Blue Jays | Blue Peter | Neil Diamond | Blue | Blue Ridge Mountains | Blue Öyster Cult | Blue Note Records | Diamond Jubilee | Blue Heelers | A Current Affair | Pokémon Red and Blue | Winnipeg Blue Bombers | Blue Nile | Jared Diamond | Blue's Clues | ''Pokémon Red'' and ''Blue'' | diamond | Blue Man Group | Vida Blue | The Blue Danube | Rhapsody in Blue | Lou Diamond Phillips | Diamond Jubilee of Elizabeth II | Diamond Head | Diamond | blue plaque | Blue Mountain State | Blue Cheer | Blue Bloods |