Answer:
Here is what is different in this map compared to today.
- Austria-Hungary exists.
- Germany is larger.
- Germany has some land now controlled by France.
- Romania is smaller.
- Russia is larger.
- Ireland is not yet independent from the UK.
- Poland, Austria, Slovakia, Hungary, Slovenia, Croatia, Bosnia and Herzegovina, Kosovo, North Macedonia, Moldova, Lithuania, Latvia, Estonia, and Finland aren't there.
- Spain controls a large part of Morocco.
- Turkey is controlled by the Ottoman Empire.
I think I got everything, hope this helps!