July 25, 1941: Worried about Japanese aggression in the Pacific, President Franklin D. Roosevelt banned gasoline sales to that country.

July 25, 1969: President Richard Nixon announced that the United States expected its Asian allies to handle their own defense. The remarks were obviously aimed at Vietnam, where a U.S.-dominated war was raging, and the policy came to be known as "The Nixon Doctrine."

When Nixon took office in January 1969, the U.S. had been at war in Vietnam for nearly four years, and more than 25,000 Americans had been killed — yet the U.S. was no closer to victory. Nixon, dogged by mounting antiwar protesters, pledged to end American involvement.

The Nixon Doctrine began what came to be known as "Vietnamization," in which American troops would slowly be withdrawn from Vietnam and be replaced by South Vietnamese troops. In 1973, the United States and North Vietnam signed a peace treaty formally bringing the Vietnam War to a conclusion. Two years later, North Vietnamese forces invaded the South and reunited Vietnam under a communist regime.

Quote of the day

"It is hard to fail, but it is worse never to have tried to succeed." -Theodore Roosevelt

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