The content originally appeared on: CNN A version of this story appeared in the February 4 edition of CNN's Royal News, a weekly dispatch bringing you the inside track on Britain's royal family. Sign up here. (CNN)Queen Elizabeth II is adding yet another achievement to her record-breaking reign, becoming the first British monarch to mark a platinum jubilee on Sunday. But despite an unprecedented seven decades of service, we won't see the usual fanfare just yet. Instead, we know the […]