Eastern Christianity celebrates Pentecost fifty days after Easter. This feast commemorates the descent of the Holy Spirit upon the Apostles and the followers of Jesus Christ.
Pentecost is one of the major religious holidays in Western Christianity. It always falls on the 50th day after Easter, commemorating the descent of the Holy Spirit upon the Apostles.
Canadian Forces Day is a holiday that celebrates the Canadian Armed Forces, their heritage, and their personnel. It is observed annually on the first Sunday in June. Although it is not a public holiday, it is marked with relevant events and activities across the country.
The first Sunday in June is Coastal Cleanup Day in Russia. This local observance is related to International Cleanup Day organized by PADI (Professional Association of Diving Instructors), the world's largest recreational diving membership and diver training organization.
Tiananmen Square Protests of 1989 Memorial Day is an international memorial day. This day is observed in many countries, marking that no one and nothing is forgotten.
International Day of Innocent Children Victims of Aggression is one of the UN international days, that is annually observed on June 4. This observance was established on August 19, 1982 to commemorate the Palestinian and Lebanese children, who became victims of Israel's act of aggression.
National Cancer Survivors Day is an annual observance held primarily in the United States on the first Sunday in June. It was inaugurated in November 1987 and has been observed each year ever since.