Robotech Chronology (from the Sentinels Series):
1999
Alien spacecraft known as SDF-1 crashlands on Earth through an opening in hyperspace, effectively ending almost a decade of Global Civil War. In another part of the Galaxy, Zor is killed during a Flower of Life seeding attempt.
2002
Destruction of Mars Base Sara.
2009
On the SDF-1's launch day, the Zentraedi (after a ten-year search for the fortress) appear and lay waste to Macross Island. The SDF-1 makes an accidental jump to Pluto.
2009-11
The SDF-1 battles its way back to Earth.
2011-12
The SDF-1 spends almost half a year on Earth, is ordered to leave, and defeats Dolza's armada, which has laid waste to much of the planet.
2012-14
A two-year period of reconstruction begins.
2012
The Robotech Masters lose confidence in the ability of their giant warriors to recapture the SDF-1, and begin a mass pilgrimage through interstellar space to Earth.
2013
Dana Sterling is born.
2014
Destruction of the SDFs 1 and 2 and Khyron's battlecruiser.
2014-20
The SDF-3 is built and launched. Rick Hunter turns 29 in 2020; Dana turns 7.