On July 6, an Asiana Airlines Boeing 777 crashed while landing at San Francisco International Airport. This accident injured more than 180 people and killed two. This was the Boeing 777's first crash involving fatalities since it began commercial service in 1995. Here we look at the history of aviation accidents and what causes them.

[Correction: An earlier version of this graphic published the wrong date of the Ueno, Japan, crash. It happened in 1985, not 1885.]