1964: South Vietnam-Cambodia straying into Cambodian territory

South Vietnam apologizes for its troops “unintentionally straying” into Cambodian territory yesterday during military action against the Communist forces.

To: 
Cambodia
From: 
South Vietnam
Year of Apology: 
1964
Footnote: 
“Saigon Sends an Apology.” New York Times. May 9, 1964.