1963

Bogle–Chandler case: Commonwealth Scientific and Industrial Research Organisation scientist Dr. Gilbert Bogle and Mrs. Margaret Chandler are found dead (presumed poisoned), in bushland near the Lane Cove River, Sydney, Australia.

Five Japanese cities located on the northernmost part of Kyūshū are merged and become the city of Kitakyūshū, with a population of more than 1 million.

Yugoslavia is proclaimed to be a socialist republic, and Josip Broz Tito is named President for Life.

The Coca-Cola Company introduces its first diet drink, Tab cola.

In Saigon, Buddhist monk Thích Quảng Đức commits self-immolation to protest the oppression of Buddhists by Ngô Đình Diệm’s government.

John F. Kennedy gives his "Ich bin ein Berliner" speech in West Berlin, Germany.

Trois Glorieuses: President Fulbert Youlou is overthrown in the Republic of Congo after a three-day uprising in the capital, Brazzaville.

Malaysia is formed through the merging of the Federation of Malaya and the British crown colony of Singapore, North Borneo (renamed Sabah) and Sarawak.

Buddhist crisis: Amid worsening relations, outspoken South Vietnamese First Lady Madame Ngo Dinh Nhu arrives in the US for a speaking tour, continuing a flurry of attacks on the Kennedy administration.

11 German miners are rescued from a collapsed mine after 14 days in what becomes known as the "Wunder von Lengede" ("miracle of Lengede").

State funeral of John F. Kennedy: President Kennedy is buried at Arlington National Cemetery. Schools around the nation cancel classes that day; millions watch the funeral on live international television. Lee Harvey Oswald's funeral takes place on the same day.

Kenya gains independence from the United Kingdom, with Jomo Kenyatta as prime minister.