Short answers, pulled from the story.
The name Hera appears on clay tablets from Pylos and Thebes written in the Linear B script, dating to the Mycenaean period. Scholars have debated the linguistic root of this name for over a century without reaching a single conclusion.
The cult activity near the altar at Samos began in the late Mycenaean period with a large altar constructed in the 9th century BC. These findings suggest Hera emerged from a form of the Mycenean goddess of the palace rather than appearing suddenly in later myths.
At Olympia, young girls competed in a footrace held every four years where only virgin women were allowed to attend. The prize for winning this race was an olive wreath establishing a tradition set by Hipodameia.
Herodotus called Rhoecus of Samos the first architect of the massive Ionic temple built around 560 BC. The new Polycrates temple erected in 525 BC measured 54.58 meters by 111.50 meters and included eight rows of columns along the flanks.
In Hellenistic imagery her chariot was pulled by peacocks birds that Greeks did not know before Alexander the Great conquered Persia. Aristotle referred to the peacock as the Persian bird noting its exotic origin compared to native species.