Invention of the Television (1925)
On March 25, 1925, John Logie Baird offered the first public demonstration of televised silhouette images in motion. However, it wasn't until decades later that the device was marketed to consumers. After World War II, black-and-white televisions became commonplace in the household.
COVID-19 Pandemic (2020)
In March 2020, the spread of SARS-CoV-2 was officially classified as a pandemic. The virus was first identified in Wuhan, China, and the outbreak was declared a Public Health Emergency of International Concern in January 2020. The virus mainly spreads throughout the air when people are nearby one another.