Canada Decoration Day (is an unofficial holiday that honors the veterans of the country's military. Decoration Day began as a protest in 1890 by forgotten Canadian veterans who had fought in Canada's first modern battle, the Battle of Ridgeway, on June 2, 1866)
International Sex Workers Day (In 1975, on 2nd June, about 100 sex workers occupied Saint-Nizier Church in Lyon, France, to express their anger about their criminalised and exploitative living conditions. On 10th June at 5 o'clock the Church was brutally raided and cleared by police forces. This action sparked a national movement, and the day is now celebrated in Europe and around the world)
2003 – Europe launches its first voyage to another planet, Mars. The European Space Agency's Mars Express probe launches from the Baikonur space center in Kazakhstan.
1979 – Pope John Paul II starts his first official visit to his native Poland, becoming the first Pope to visit a Communist country.
1967 – Luis Monge is executed in Colorado's gas chamber, in the last pre-Furman execution in the United States.
1967 – Sgt. Pepper's Lonely Hearts Club Band by The Beatles is released in the United States.
1966 – Surveyor program: Surveyor 1 lands in Oceanus Procellarum on the Moon, becoming the first U.S. spacecraft to soft-land on another world.
1953 – The coronation of Queen Elizabeth II, who is crowned Queen of the United Kingdom, Canada, Australia, New Zealand and Her Other Realms and Territories & Head of the Commonwealth, the first major international event to be televised.
1924 – U.S. President Calvin Coolidge signs the Indian Citizenship Act into law, granting citizenship to all Native Americans born within the territorial limits of the United States.
1910 – Charles Rolls, a co-founder of Rolls-Royce Limited, becomes the first man to make a non-stop double crossing of the English Channel by plane.
1896 – Guglielmo Marconi applies for a patent for his wireless telegraph.
1835 – P. T. Barnum and his circus start their first tour of the United States.
1692 – Bridget Bishop is the first person to be tried for witchcraft in Salem, Massachusetts; she was found guilty and later hanged.
1615 – The first Récollet missionaries arrive at Quebec City, from Rouen, France.
1098 – First Crusade: The first Siege of Antioch ends as Crusader forces take the city; the second siege began five days later.
1989 – Freddy Adu, Ghanaian-American footballer
1987 – Matthew Koma, American singer-songwriter and guitarist
1985 – Maggie Thrash, American graphic novelist and writer
1983 – Brooke White, American singer-songwriter and actress
1983 – Chris Higgins, American ice hockey player
1983 – Leela James, American singer-songwriter
1980 – Abby Wambach, American soccer player and coach