The New York Times begins publishing the Pentagon Papers

Operation Lam Sơn 719 sent South Vietnamese forces into Laos to disrupt supply routes, with U.S. air support but no U.S. ground combat units. The operation suffered major losses and demonstrated the...

South Vietnamese ground forces crossed into Laos with U.S. air and logistical support, seeking to disrupt the Hồ Chí Minh Trail. The operation tested Vietnamization and Laos’s sovereignty; Laotian...

South Vietnamese forces withdrew from Laos after heavy losses. The operation failed to permanently sever supply routes and exposed the limits of U.S. claims that Vietnamization could sustain major...

Veterans gathered in Washington for a week of protest, testimony and public actions against the war. The protest challenged the claim that opposition came only from civilians and used veterans’...

Hundreds of veterans opposed to the war gathered in Washington and threw medals or ribbons toward the Capitol. Their action challenged the idea that dissent was disloyal to soldiers and drew attention...

Nixon announced that he would visit China, changing the strategic setting of the Vietnam conflict. U.S. leaders hoped improved relations with Beijing could influence Hanoi, revealing how Vietnamese...

Nixon’s visit opened a new phase in U.S.-China relations as the Vietnam War continued. The summit illustrated the unequal diplomatic field: Vietnamese independence struggles were discussed within...

The United States announced an indefinite suspension of public meetings in Paris. As negotiations stalled, combat and bombing continued; public diplomacy became intertwined with pressure tactics and...

The People’s Army of Vietnam launched a major conventional offensive across the demilitarized zone and into the Central Highlands. South Vietnamese forces resisted with substantial U.S. air support....

North Vietnamese forces attacked Lộc Ninh, a district town near Cambodia. The battle formed part of the wider 1972 offensive and involved intense ground fighting and displacement. Its location near...