1) Happiness symbols 2) JJJJ 3) Symbols of happiness 
[Australian nurses] The `Bluebirds` were a group of twenty Australian civilian nurses and a masseuse who volunteered for service in France during World War I. Recruited through the Australian Red Cross Society, the group`s nickname referred to the colours of their specially-designed uniforms. After arriving in France the nurses were split b...
Nickname for GBRf operated class 66 locos.