Calendar - Esports Insider
https://esportsinsider.com/calendarCalendar - Esports Insider. March 2021. 27th – [April] 4th – ONE Esports Singapore Major 2021 (Dota 2) – Singapore. 30-31st – ESI Digital Spring – Online. April 2021. 3rd-14th – League of Legends European Championships, Spring Split Finals – Berlin, Germany. 7-11th – Call of Duty League, Stage 2 Major – International.