2000 : January - February - March - April - May - June - July - August - September - October - November - December

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This is a timeline for events in June, 2000.

• June 10 - The New Jersey Devils defeat the Dallas Stars 4 games to 2 to win the Stanley Cup in the 2000 Stanley Cup Finals.
• June 10 - The 2000 European Football Championship begins, hosted jointly by Belgium and the Netherlands.
• June 21 - Section 28, a law preventing the promotion of homosexuality is repealed by the Scottish Parliament.
• June 23 - Palace Backpackers Hostel fire in Childers, Queensland, Australia, kills 15 people.
• June 30 - During a set of the band Pearl Jam at the Roskilde Festival near Copenhagen, 9 die and 26 are injured in the crowd.