story
https://www.cnbc.com/2020/11/02/china-drops-us-treasurys-imp...
Russia has started transacting petroleum in EUR. They haven't been "liberated" yet.
https://www.reuters.com/article/us-rosneft-contracts-euro-id...
Petroleum transaction only make up a small fraction of worldwide dollar use. It doesn't really matter.
https://foreignpolicy.com/2009/10/07/debunking-the-dumping-t...