| 1992 1993 1994 1995 1996 1997 1998 |
| 1960s 1970s 1980s 1990s 2000s 2010s 2020s |
| 19th century - 20th century - 21st century |
Events
- The Great Khanate begins construction of a crewed base on Mars. (Star Fleet Starship Recognition Manual: Report #300: DY Sublight Transports)
- April
- 16 April:
- Terry Nichols and Timothy McVeigh drive a getaway car to Oklahoma City, Oklahoma in preparation to enact the Oklahoma City bombing.
- Perfectionists operative, Section 31 mole and Temporal Integrity Commission time traveler Daniel Beauchaine completes a mission for the Perfectionists to change history allegedly for the better, and vaporizes the getaway car with Nichols and McVeigh in it (Times of the HG Wells: Where the Wind comes Sweepin' Down the Plain).
- 19 April:
- The Oklahoma City bombing, the largest act of terrorism in the United States until 9/11 occurs as the Alfred P. Murrah building is destroyed.
- Temporal Integrity Commission mission to undo temporal changes is successfully conducted by temporal agent Thomas Grant, who is traumatized by the experience of having to let so many innocents perish (Times of the HG Wells: Where the Wind comes Sweepin' Down the Plain).