All times in UTC ·
Dashed edge = started before, or continues beyond, this day
Events on Sunday 22 April 1990 2
1990Croatia holds first multi-party electionsFranjo Tuđman's HDZ wins powerCroatia held its first free multi-party elections since World War II in April and May 1990. Franjo Tuđman's Croatian Democratic Union won a decisive majority, ending communist rule. The result accelerated Croatia's push toward independence from Yugoslavia.
1990First Earth Day in 20 years200 million participate worldwideThe 20th anniversary of Earth Day on April 22, 1990 mobilised 200 million people in 141 countries, launching the modern environmental movement globally.