You will read this article and it will describe the historical happenings of Europe and talk about romantic music: https://www.metmuseum.org/toah/hd/amcm/hd_amcm.htm
Heres another article with more descriptions of romantic music:
Please watch this video, and it will give an overview of the main composers of the 19th century:
This podcast from the British Broadcasting Company will show the life and story of one of the greatest composers ever, Ludwig van Beethoven:
This is a recording and a score of probably his most famous symphony, Symphony no. 5 that he composed. Please listen to as much as possible
This is a recording probably his most famous piano sonata, moonlight sonata. Please take time to listen and enjoy some great music!