At a Glance
June 4
Observances & Celebrations
Commemorative holidays, national days, religious feasts, and international traditions observed on this date.
National observance
Emancipation Day or Independence Day, commemorates the abolition of serfdom in Tonga by King George Tupou in 1862, and the independence of Tonga from the British protectorate in 1970. (Tonga)
United Kingdom
National observance
International Day of Innocent Children Victims of Aggression (International)
Cultural observance
Memorials for the 1989 Tiananmen Square protests and massacre (International)
Flag observance
The Flag Day of the Finnish Defence Forces, also known as the birthday of C. G. E. Mannerheim, Marshal of Finland (Finland)
Finland
Religious observance
Feast of Blessed Antoni Zawistowski
Religious observance
Feast of Filippo Smaldone
Religious observance
Feast of Francis Caracciolo
Religious observance
Feast of June 4 (Eastern Orthodox liturgics)
Religious observance
Feast of Optatus
Religious observance
Feast of Petroc of Cornwall
Religious observance
Feast of Quirinus of Sescia
Religious observance
Feast of Saturnina
Observance
Trianon Treaty Day (Romania)
Romania