MacOS X Download History
~/Library/Preferences/com.apple.LaunchServices.QuarantineEventsV2
which is an SQLite database. Contents can be dumped using this command: sqlite3 -header -line ~/Library/Preferences/com.apple.LaunchServices.QuarantineEventsV2 \
'SELECT LSQuarantineAgentName AS Browser, LSQuarantineDataURLString AS File FROM LSQuarantineEvent WHERE LSQuarantineAgentName <> "PubSubAgent"' Brushed up SQL inspired by the script found in the linked article below.