June 4th (1453) was a Saturday. It's the 154th day of the year (155th in leap years) in the Gregorian calendar. There are 211 days left to the end of the year.
» Flag days in Finland called Birthday of Carl Gustaf Emil Mannerheim & Flag Day celebration of the Finnish Defence Forces (Finland)
» Christian Feast Day:
» Francis Caracciolo
» Pope John XXIII (Episcopal Church (USA))
» Optatus
» Saint Petroc or Petroc of Cornwall
» Quirinus of Sescia
» Saturnina
» June 4 (Eastern Orthodox liturgics)
» Emancipation Day Tonga named Emancipation Day or Independence Day, commemorates the abolition of serfdom in Tonga by George Tupou I of Tonga e.g King George Tupou in 1862, and the independence of Tonga from the British protectorate in 1970. (Tonga)
» Public holidays in Estonia named Flag Day (Estonia)
» International Day of Innocent Children Victims of Aggression (International observance e.g International)
» Public holidays in Hungary e.g National Unity Day (Hungary)