Once has to fill a Form 1099-DIV for dividends earnt for each brokerage accounts located outside the United States. The Form 1099-DIV allows to distinguish ordinary dividends from qualified dividends, and is also used for reporting dividends for brokerage accounts located inside the United States.
https://ttlc.intuit.com/questions/3181561-how-to-report-dividends-from-a-foreign-brokerage-account-when-there-is-no-1099-div gives some interesting information (mirror):
Question: Do I report the dividends on the "Dividends on 1099-DIV" section? I looked at this section but it asks for the boxes on the 1099-DIV which I don't have.
Answer: Yes - please use the data entry as if you received Form 1099-DIV
Question: As for converting EUR to USD: Should I convert the amounts using the exchange rate at the date I received the dividend or the exchange rate at the end of the year?
Answer: Use the exchange rate when you receive the dividend (or for foreign tax paid, if any, use the rate when you pay/accrue the tax)
Question: As for converting EUR to USD: What service should I use to get the exchange rate?
Answer: please use the following link; scroll down...it lists government sources as well as outside sources for exchange rates:
(Questions by Mike, anwsers by "TurboTaxMargaretL, Enrolled Agent")