Here is a review of some important events in world history in 2017:
Donald Trump becomes President of the United States: On January 20, 2017, Donald Trump was officially sworn in as the 45th President of the United States.
Syrian conflict: In April 2017, Syria was hit by a chemical weapons attack, resulting in the deaths of hundreds of people. The United States launched a retaliatory airstrike against Syria, which drew global attention.
Political crisis in Venezuela: In 2017, Venezuela experienced ongoing political turmoil, as well as severe economic recession and poverty issues.
Brexit process initiated by the United Kingdom: On March 29, 2017, the United Kingdom officially initiated the Brexit process, deepening the deadlock between the UK and the European Union.
North Korean nuclear crisis: In 2017, North Korea conducted multiple nuclear tests, leading to a continued escalation of tensions with the United States.
Catalan independence referendum in Spain: In October 2017, Catalonia held an independence referendum, which was unable to become a legal election due to suppression by the Spanish government.
These events were significant in world history in 2017 and had a profound impact on the global situation and the people of various countries.