From the files of Project Blue Book, this July 19, 1949 UFO incident seems to have been a pretty straightforward airplane that was misidentified.
For more incidents around the world, visit the following links.
UFO Database
Mutual UFO Network
National UFO Reporting Center
From the files of Project Blue Book. This incident was never solved, supposedly due to a lack of information.
To view more incidents around the world, visit this link.
UFO Database
From the files of Project Blue Book, this UFO incident was thought to be a beacon light reflection from a nearby airport. The actual dates of this incident is in question as two different ones are given. On one hand, it suggests the report was submitted in August, 1954, but all other dates suggest it occurred in March, 1956.
To see more incidents from around the world, check out the following link.
UFO Database
From the files of Project Blue Book. There is not much information on this event, but the conclusion seems to be that it was the planet Venus.
To see more incidents from around the world, go here:
UFO Database