Political event
Frustration in the space colony L5 "Zeon" and its neighbors turns into anger after years of talks lead to nothing when the Federation decides to not include spacers in the new goverment on Nangija. Protest turn into riots as activists are meet with police force and 14 Zeon citizens are killed in one day of protests. The riots last for the better part of a year and other, nearby colonies join in both violent and peaceful protests.
While some reperations are made, the damage is already done and extremist factions in Zeon gain more favor among spacers.