Okay kiddo, so in 1956, Hungary was a country in Europe where people wanted to have more control over their own government. This means they wanted to be able to make decisions for themselves and not be told what to do by a big powerful country called the Soviet Union.
A lot of people in Hungary were really upset because they felt like the Soviet Union was controlling their government too much and they wanted to be free to make their own choices. These people starting protesting and asking for more freedom.
One day, a man named Imre Nagy became the leader of Hungary and he promised to make changes to give the people more freedom. The people were really happy about this and they felt like they had hope for a better future.
But then, the Soviet Union didn't like what was happening in Hungary and they sent soldiers and tanks to take control of the country. The people of Hungary didn't want this and they started fighting back against the soldiers.
The fighting went on for a while and sadly many people were hurt or killed, but eventually the Soviet Union was able to regain control of Hungary.
Although the Hungarian Revolution of 1956 was not successful in achieving its goals of independence, it inspired other countries to fight for their own freedom and showed the world that people can come together and stand up for what they believe in, even against a very powerful enemy.