By April 1809 Russian troops had already crossed the ice of the Gulf of Bothnia in a famous winter campaign, and Swedish resistance was collapsing. The war, which had begun in February 1808, would end that September with the Treaty of Fredrikshamn, forcing Sweden to cede all of Finland to Russia and ending over six centuries of Swedish rule there.
When the constitution of the World Health Organization entered into force after ratification by 26 member states, it created the United Nations' dedicated health agency, headquartered in Geneva. The date is now marked annually as World Health Day. Over subsequent decades the WHO would coordinate the eradication of smallpox, battle polio, and become the central global authority during pandemics from HIV/AIDS to COVID-19.
After ratification by its 26th member state, the WHO constitution came into effect on April 7, 1948, establishing an agency headquartered in Geneva with a mandate spanning disease eradication, health standards, and emergency response. The date is now marked annually as World Health Day.
An electrician discovered Kurt Cobain's body in the greenhouse above his Seattle garage; he had been dead for roughly three days. The Nirvana frontman, 27, left behind a note and a devastated generation of fans who had made 'Nevermind' the soundtrack of early-1990s disaffection. His death cemented grunge's mythology and fueled decades of fascination with his final days.
Hours after President Juvénal Habyarimana's plane was shot down on April 6, militias and soldiers erected roadblocks across Kigali and began systematic killing. Radio Mille Collines broadcast dehumanizing propaganda urging Hutus to attack their Tutsi neighbors, and the violence spread from the capital to the countryside within days, overwhelming a UN peacekeeping mission too small and constrained to intervene.