Invasion
noun, verbal noun
しんこう
An Invasion 侵攻 is a clear sign of aggression 攻
The Invasion took place on Cinco しんこう de Mayo (5th of May).
Cinco de Mayo (Spanish for “May fifth”) is a relatively minor Mexican holiday commemorating the Battle of Puebla of May 5, 1862, in which Mexican forces defeated an invading French army far superior in numbers and equipment.