South Vietnam - The Battle of the province of Quang Tri. Cambodia - Troops regime Lawn Kala highway patrol. Cambodia - Saigon troops leave Neah-Luong, to take part in the battles for the eastern provinces. China - Opening of the Canton Trade Fair. China - Receive Zhou Enlai First Lady of Peru and the Peruvian Velasco government delegation. India - Demonstration in Delhi, led by members of the ruling party - the Congress against the U.S. bombing of the DRV. Lebanon - Voting in the second stage of the general election takes place peacefully. France - A referendum on the adoption of the four countries in a "common market". Vote Georges Pompidou, etc. Chile - Statement by the delegate of the PRC on the third United Nations Conference on Trade and Development. USA - Trying to opponents of the war in Vietnam to detain a ship carrying ammunition bound for Vietnam. USA - Presidential candidates from the Democratic Party are preparing for the primary elections in Pennsylvania. USA - Arrive in Washington Foreign Minister Eban. USA - The first "moon walk" astronauts "Apollo -16". USA - The second "moon walk" astronauts "Apollo -16" on the moon. USA - Last Walk astronauts Young and Duke on the moon.