Here are some of my own
("https://www.404media.co/rss/" news)
("https://notesfrompoland.com/feed/" news)
("https://feeds.arstechnica.com/arstechnica/index" news)
("https://www.euronews.com/rss" news europe)
("https://www.theguardian.com/world/eu/rss" news europe)
("https://www.france24.com/en/rss" news)
("https://www.meneame.net/rss" news spanish)
("https://www.eldiario.es/rss/" news spanish)
("https://www.to-rss.xyz/wikipedia/current_events/" news)
("https://www.nato.int/cps/rss/en/natohq/rssFeed.xsl/rssFeed.xml" institution)
("https://www.ecb.europa.eu/rss/press.html" institution)
("https://fpif.org/feed/" institution) ;; Foreign policy in focus
("https://jonworth.eu/feed/" blog)
You can also sub to youtube videos over rss without needing ot have a google account (yewtube is Invidious, an alternative frontend for youtube):
("https://yewtu.be/feed/channel/UC8KFs307LrTkQCu-P1Fl6dw" yt) ; EU Made Simple
("https://yewtu.be/feed/channel/UC0intLFzLaudFG-xAvUEO-A" yt) ; Not Just Bikes