6. The COVID-19 Pandemic Announcement (2020)
On March 11, 2020, the World Health Organization (WHO) declared the COVID-19 outbreak a pandemic, marking a pivotal moment in global health history. The virus, which emerged in December 2019, rapidly spread worldwide, leading to widespread illness and death. In response, countries implemented unprecedented measures, including lockdowns, travel bans, and social distancing protocols, profoundly altering daily life for billions of people (who.int).
