June 7 Monument of Branimir 879 – Pope John VIII officially recognised Croatia as an independent state, and Branimir (monument pictured) as its duke. 1628 – The Petition of Right, a major English constitutional document that set out specific liberties of individuals, received royal assent from King Charles I. 1917 – First World War: The British Army detonated 19 ammonal mines under German lines, killing perhaps 10,000 in the deadliest non-nuclear man-made explosion in history during the Battle of Messines. 1948 – Anti-Jewish riots broke out in the French protectorate in Morocco, during which 44 people were killed and 150 injured. 1969 – In their only UK concert, the rock supergroup Blind Faith, featuring Eric Clapton, Steve Winwood and Ginger Baker, debuted in London's Hyde Park in front of 100,000 fans. Roderigo Lopes (d. 1594)Paul Gauguin (b. 1848)Louise Erdrich (b. 1954)Mike Pence (b. 1959) More anniversaries: June 6 June 7 June 8 Archive By email List of days of the year About