The Vargas Tragedy happened in Venezuela in 1999, when there was a lot of rain and flooding in the area where people lived. This caused a lot of problems because there wasn't enough places for the water to go, and it started to cover the streets and houses.
The people who lived there had to try and escape to higher ground, but it was very difficult because the water was moving very fast and the streets were blocked. Many people got trapped and couldn't get out, which was very scary and sad.
Lots of people tried to help by sending aid and rescue teams, but it was a very big disaster and it took a long time to get everything under control. Many people lost their homes and their belongings, and some even lost their lives.
After the Vargas Tragedy, there were a lot of changes made to try and make sure something like this wouldn't happen again. People worked hard to improve the infrastructure and build better systems for dealing with floods and disasters. It was a very difficult time for the people of Venezuela, but they learned a lot from it and are stronger because of it.