DerbyCon, an annual hacker conference based in Louisville, KY (2011-2019).[57] Diana Initiative, an annual hacker conference to promote Women in cybersecurity technologies by The Diana Initiative non profit org located in Las Vegas, NV.[58] Ekoparty, a hacker convention in Argentina and one of the most important in South America, held annually around September in Buenos Aires.[59] GrrCon, an annual hacker conference hosted each September in Grand Rapids, Michigan.[60] GroundZero Summit, an annual hacker conference hosted each November in Hotel Ashoka, New Delhi.[61] Hack in the Box, an annual hacker conference.[62][63] Hackers Day which was previously known as DEFCON Lucknow based in Lucknow, is one of the best hacking conferences in India held frequently in January–February every year.[64] Hackers 2 Hackers Conference (H2HC) is the oldest security research (hacking) conference in Latin America and one of the oldest ones still active in the world.[65] Hackers Idol, is a unique Hackers & Cyber Enthusiast Talent Hunt held across India every year by Indian Cyber Army.[66] Hackers on Planet Earth (HOPE), in New York City is held by 2600: The Hacker Quarterly in mid-summer (July/August) every other year.