2,050, in Roman numerals, 3 letters
G-8's deadline for halving greenhouse gas emissions, 3 letters
Middle of this century, 3 letters
Super Bowl LXXXIV year, 3 letters
XLIII years from the publication of this puzzle, 3 letters
Year for Super Bowl LXXXIV, 3 letters
Year of Super Bowl LXXIV, 3 letters
Year that will start seeming retro in 2070 or so, 3 letters
100000000011, converted from binary to Roman numerals, 4 letters
2051, in ancient Rome, 4 letters
A year in the future, 4 letters
LXIII year from now, 4 letters
Mid 21st century date, 4 letters
Mid-21st-century year, 4 letters
Year around the midpoint of this century, 4 letters
Year in the middle of this century, 4 letters
Year when Tiger Woods will turn 77, in Roman numerals, 5 letters
Bicentennial of the end of the Civil War, 5 letters