That's so unambitious, I'd argue.

> In 1940, the federal tax rate on income over $200,000 started at 66 percent. By 1944, the top tax rate on all income over $200,000 — about $3.4 million in today’s dollars — had jumped to 94 percent.

https://inequality.org/article/tax-the-rich-we-did-that-once...