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.
"We cannot expect that all nations will adopt like systems — for conformity is the jailer of freedom, and the enemy of growth. But however close we sometimes seem to that dark and final abyss, let no man of peace and freedom despair. For he does not stand alone. If we all can persevere, if we look beyond our own shores and ambitions, then surely the age will dawn in which the strong are just and the weak secure and the peace preserved."
John F Kennedy, Address to U.N., September 25, 1961