In his own speech at the ceremony where the Pledge was introduced, Bellamy praised the public schools as "the masterforce which, under God, has been informing each of our generations with the peculiar truths of Americanism".
Both pledged to introduced new policies aimed at supporting mothers and boosting South Korea's low birthrate.
Labour has flagged up its general election pledge to introduce a new 50p additional rate for the highest earners – a pledge the Scottish National party then backed but is now distancing itself from, to fund education in deprived areas.
At the heart of his ETP is a pledge to introduce a more meritocratic society.
"Whatever happened to the Lib Dem pledge to introduce mandatory pay audits?
David Cameron's well-aired pledge to introduce a British bill of rights is not as novel as it is seems.
The prime minister also dismissed Miliband's pledge to introduce a freeze in energy prices for 20 months.
The Conservative manifesto included a pledge to introduce a controlling migration fund to ease pressures on services.
The institute's team visited London schools in 2004-05, a year after a government pledge to introduce the boards.
The home secretary, Theresa May, has repeated her pledge to introduce a law that ensures "cop killers" die in jail.
The coalition government has been coming under fire from rightwing Conservative backbenchers for its pledge to introduce equal marriage for same-sex couples.
