December – The very earliest and possible response signal from the Gliese 581 planetary system, should there be one by intelligent extraterrestrial life, will be received. A signal was transmitted to the Gliese 581 planetary system in August 2009, taking about 20.3 years to reach its destination.
The races in San Francisco Rush 2049, the last arcade game from Atari Games, take place during this year and given the military naval presence and appearance of a full moon suggest this is during Fleet Week 2049 hence on or about the tenth of October. In-game advertisements about the races call it the "53rd Annual San Francisco Rush Tournament" (which set the races in the original San Francisco Rush in the year 1996—the year that the original game was released), and it is sponsored by "J. Ray and Associates" (a reference to the game's producer, John Ray).
In the 1932 novel Brave New World by Aldous Huxley, 2049 sees the outbreak of The Nine Years' War, a conflict which devastates the entire planet and convinces world leaders to unite as a peaceful, but controversial, world society.