Richard of York gave battle in vain

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Description: 
{{context|mnemonic}} A mnemonic phrase to help remember the order of the seven colours of the rainbow: red, orange, yellow, green, blue, indigo, violet.
Ngram Text: 
Richard of York gave battle in vain
Source: 
Wiktionary
Issue: 
0
Wiktionary tag: 
Ngram Count: 
7