Short answers, pulled from the story.
Modern scholars trace the origins of the Goths to the southern coast of the Baltic Sea. Archaeological evidence from the Wielbark culture in what is now Poland and the island of Gotland suggests a migration that began centuries before the Roman Empire fell.
The Gothic king Cniva defeated the Roman Emperor Decius at the Battle of Abrittus in 251. This event marked a turning point where the Goths proved they were no longer mere raiders but a force capable of destroying the legions of Rome.
The Gothic king Ermanaric committed suicide in 375 rather than submit to the Hunnic yoke. The Huns had swept down from the east, overrunning the Alans and then the Goths themselves, ending Gothic independence.
The Visigothic king Alaric I led his people into the city of Rome in 410 after a prolonged siege. He ordered his men to spare the churches and treat the civilian population with humanity while burning only a few buildings.
The last stand of the Ostrogoths at the Battle of Mons Lactarius in 553 ended their resistance. The remaining Goths were assimilated by the Lombards, another Germanic tribe that invaded Italy in 567.
The Gothic language, a dialect of Gothic, was still spoken in the Crimea until the sixteenth century. These Crimean Goths survived the fall of the Roman Empire and maintained their distinct identity until their descendants were eventually assimilated into the local population.