It was in 1966 that the then USA President LyndonJohnson officially made the third Sunday of June Father's Day.
1966年,当时的美国总统林登·约翰逊正式将6月的第三个星期日定为父亲节。
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The meeting has made Obama the first US president to be present in the same room as a Burmese leader since LyndonJohnson met Prime Minister Ne Win in 1966.