Predicted and scheduled events
February
- February 10–26: The 2034 Winter Olympics is scheduled to be held in Utah, in the United States.
September
- September 28 – Lunar eclipse.
Date unknown
- Switzerland will phase out the last of its nuclear power plants.
- Aurigny will retire the last of its Trislander fleet.
- The 2034 FIFA World Cup is set to be held in Saudi Arabia.
- Dragonfly is expected to land on Saturn's moon of Titan.
- End of the project Northern Link (MTR), a rapid transit line in Hong Kong.
- The city of Rochester, New York, will turn 200 and intends to complete its 4th comprehensive plan called "Rochester 2034".