The foreign data is from the US TIC report.
The charts are from goldchartsrus.com.
I have added a last chart of Fed Holdings, from the St. Louis Fed data, at the suggestion of my friend Arby.
Every empire in its official discourse has said it is not like the others, that its circumstances are special, that it has a mission to enlighten, civilize, bring order and democracy, and that it uses force only as a last resort. And, sadder still, there always is a chorus of willing intellectuals to say calming words about benign or altruistic empires, as if one shouldn't one's eyes watching the destruction and the misery and death brought by the latest 'mission civilisatrice.' Edward W. Said