Short answers, pulled from the story.
Philip Johan von Strahlenberg drew a new line along the Volga River in 1725. This proposal marked the first time mountain ranges were included as boundaries between continents instead of relying solely on rivers or seas.
Homo erectus georgicus lived roughly 1.8 million years ago in Georgia and represents the earliest hominin discovered in Europe. Other hominin remains dating back approximately one million years have been found at Atapuerca in Spain.
Cleisthenes instituted the world's first democratic system of government in Athens in 508 BCE. The Greek city-state known as the polis served as the fundamental political unit of classical Greece.
Christianity became the sole official religion of the empire in 380 CE while Emperor Theodosius outlawed pagan religions between 391 and 392 CE. Christianity was legalised by Constantine I in 313 CE after three centuries of imperial persecution.
Germany invaded Poland on the 1st of September 1939 prompting France and United Kingdom to declare war on Germany on September 3 opening the European theatre of Second World War. Berlin finally fell in 1945 ending Second World War in Europe.
United Kingdom withdrew from EU on the 31st of January 2020 as result of June 2016 referendum on EU membership. Between 2004 and 2013 more Central European countries began joining expanding EU to 28 European countries making Europe major economical and political centre once again.