World Television Day

Electronic television was first demonstrated successfully in San Francisco in 1927 by Philo Taylor Farnsworth, a 21-year-old inventor who scanned images with a beam of electrons showing first a line and then a dollar sign on the screen. Today, television continues to...

World Tsunami Awareness Day

Tsunamis are giant ocean waves caused by earthquakes or volcanic eruptions under the sea. As the waves travel inland (sometimes at the speed of a jet plane), they get higher and higher as the depth of the ocean decreases. Though rare, tsunamis can be extremely deadly....

International Day of the Tropics

The Earth’s tropics lie roughly in the middle of the globe between the latitude lines of the Tropic of Cancer and the Tropic of Capricorn; and include the Equator and parts of North America, South America, Africa, Asia and Australia. Tropical locations are...

World Meteorological Day

World Meteorological Day marks the establishment in 1950 of the Convention establishing the World Meteorological Organization (WMO) (though it had been around since 1873). The 2021 theme is The Ocean, our climate and weather. The Ocean covers 70% of the Earth’s...