April 05

1722 – The Dutch explorer Jacob Roggeveen discovers Easter Island.
1804 – High Possil Meteorite: The first recorded meteorite in Scotland falls in Possil.
2009 – Japanese engineers build a childlike robot, and report that it is slowly developing social skills by interacting with humans and watching their facial expressions, mimicking a mother-baby relationship.

2063 – Zefram Cochrane launches the Phoenix, humankind's first manned warp-capable ship. This causes Vulcans to initiate First Contact.
2385 – Synthetic beings launch an attack on Mars, destroying the Utopia Planitia Fleet Yards in the process.