- Jun 1 The Serbian government concludes a ten-year treaty with Greece against Bulgaria; Serbia wishes to pursue Macedonian aspirations with Greece's help
- Jun 2 1st strike settlement mediated by US Department of Labor - railroad clerks
- Jun 2 Demonstrations for general voting right in Netherlands
- Jun 3 Dutch 1st Chamber accepts Health laws
Emily Davison Trampled at the Derby
Jun 4 English suffragette Emily Davison is trampled and mortally wounded by a racechorse called Anmer, ridden by Herbert Jones and owned by King George V, during running of the Derby at Epsom Downs in Surrey; Jones thrown from horse, horse finishes the race jockey-less, Davison dies from her injuries 4 days later. [1]
- Jun 5 Dutch Disability laws go into effect
- Jun 6 Rabbit Maranville, is thrown out trying to steal home 3 times
- Jun 7 1st verifiable ascent of main summit of Denali (Mt McKinley), North America's highest mountain led by Hudson Stuck and Harry Karstens
- Jun 11 Grand Vizir Mahmud Shevket Pasha is assassinated, resulting in continuing Young Turk terrorism until WWI
- Jun 12 "Dachshund" by Pathe Freres, early animated cartoon, released
- Jun 13 45th Belmont: Roscoe Troxler aboard Prince Eugene wins in 2:18
- Jun 13 Yanks win 13th game of year after losing 36 games
Funeral of Emily Davison
Jun 14 Funeral for Emily Davison includes a procession of 6,000 suffragettes in London, England [1]
- Jun 14 US National Championship Women's Tennis, Philadelphia CC: Defending champion Mary Browne beats Dorothy Green 6-2, 7-5
- Jun 15 The Battle of Bud Bagsak in the Philippine concludes
- Jun 16 South African Government pass the segregationist Native Land Act, which restricts purchase or lease of land by native Africans
- Jun 19 Natives Land Act, Act No 27, passed in South Africa: confines Africans to hopelessly overcrowded reserves and deprives them of rights to purchase land outside the native reserves
- Jun 20 3 of 1st 4 Yankees hit-by-pitch en route to a record 6 hit batsman
- Jun 20 Bert Daniels set AL mark, being hit-by-pitch 3 times in a doubleheader
- Jun 21 Tiny Broadwick is 1st woman to parachute from an airplane
- Jun 24 British Open Men's Golf, Royal Liverpool GC: Englishman J H Taylor wins Championship for a 5th and final time, 8 strokes ahead of defending champion Ted Ray
- Jun 25 American Civil War veterans begin arriving at the Great Reunion of 1913
- Jun 25 Dutch Parliamentary election (confess party looses majority)
- Jun 29 An attack by Bulgarian General Michael Savov on Greek and Serbian positions causes the start of the Second Balkan War
- Jun 30 To increase the peacetime strength of the German Army, the Reichstag pass the Army and Finance Bills, a massive defense buildup
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