June is the sixth month of the Human year.
The Battle of Pine Mountain was fought during Sherman's March to the Sea in June of 1864. (VOY: "Death Wish")
Roy Orbison first performed the song Ooby Dooby in June of 1956. (Star Trek: First Contact)
The Earth colony ship SS Conestoga arrived at her destination of Terra Nova on June 23rd, 2078. (ENT: "Terra Nova")
Earth reestablished contact with the lost Terra Nova colony in June of 2151. (ENT: "Terra Nova")
Human First Contact was inadvertently made with the Andorians at the monastery of P'Jem by the crew of the Enterprise NX-01 in June of 2151. (ENT: "The Andorian Incident")
In June of 2151 T'Pol confided in Doctor Phlox that she had been arranged to be married, a situation that was causing her some concern. (ENT: "Breaking the Ice")
Also in June of 2151, Archer's Comet was discovered by the crew of the Enterprise NX-01 and named after the ship's captain, Jonathan Archer. (ENT: "Breaking the Ice")
The original launch date of the Columbia NX-02 was in June of 2154; it was pushed back to November due to problems with the ship's engines. (ENT: "The Expanse", "Affliction")
Joseph Sisko met Sarah in June of 2331 in New Orleans' Jackson Square. (DS9: "Image in the Sand")
Annika Hansen was born to Magnus and Erin Hansen in Tendara colony on June 24th, 2348. (VOY: "The Gift")
In June of 2373, the Maquis poisoned the biospheres of two Cardassian planets, Veloz Prime and Quatal Prime, with cobalt diselenide, making the planets uninhabitable for the Cardassians. (DS9: "For the Uniform")
Some of the events of the Eugenics Wars novel The Rise and Fall of Khan Noonien Singh, Volume 2 took place on June 14, 1992 and June 14, 1993.