MGM Grand Garden Arena, South Las Vegas Boulevard, Paradise, Clark County, Nevada, 89158, United States
Academy of Country Music
The Hollywood Reporter's[4] winners list is dated 6 April 2014 and says the awards were handed out 'Sunday night' at the MGM Grand Garden Arena; CBS News[1], The Boot[3] (7 April) and Wikipedia[2] agree. No start time is stated, so the pin is the all-day date.
George Strait won Entertainer of the Year at the 49th Academy of Country Music Awards on 6 April 2014 in Las Vegas, with Kacey Musgraves taking Album of the Year and Merle Haggard honoured on his 77th birthday.