You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when did the last solar eclipse happen in usa?" whose answer is August 21, 2017.
Each document should contain about 30 words, and these documents should contain useful information.

Query: last solar eclipse in USA
Useful Output:

Doc 1: Total Eclipse in the US. On August 21, 2017, a total solar eclipse was visible in a narrow track spanning the United States. This was the first
Doc 2: Three annular solar eclipses already occurred on May 10, 1994; May 20, 2012; and October 14, 2023, and one more will occur on November 15, 2077.
Doc 3: On Aug. 21, 2017, a total solar eclipse made its way from Oregon to South Carolina. Fourteen states were in the path of total darkness.
Doc 4: On October 14, 2023, an annular solar eclipse crossed the sky from Oregon to Texas. On April 8, 2024, a total solar eclipse will be visible as it crosses from
Doc 5: Total solar eclipses are rare, and aren't often visible from the U.S. The last time one occurred here was in 2017, and the U.S. won't see