-

5430
Tulips at Emirgan Park in Istanbul, Türkiye
-

5436
Medieval towers in Mestia, Upper Svaneti, Georgia
-

5445
National Park Week begins
-

5450
The Sonoran Desert, Arizona
-

5452
Friendship Day
-

5455
Spring equinox
-

5456
Kochia, Hitachi, Ibaraki prefecture, Japan
-

5470
Cherry blossoms in Shanghai, China
-

5475
Star Wars Day
-

5475
Wadden Sea coast, Friesland, Netherlands
-

5480
Frost-covered dunes on Mars
-

5480
Frankenstein Friday
-

5482
International Day for Biological Diversity
-

5482
Aspens in the White River National Forest, Colorado
-

5485
Sea lion in a kelp forest, Baja California, Mexico
-

5487
European river otter, Netherlands
-

5487
World Rhinoceros Day
-

5490
Native American Heritage Month
-

5491
Patriot Day
-

5492
National Blueberry Day
-

5493
April Fools Day
-

5498
Ancient town of Sorano, Tuscany, Italy
-

5503
Marseille welcomes the Olympic torch
-

5506
European Day of Parks
-

5510
Hemakuta Hill, Hampi, India
-

5512
The ruins of Italica, Andalusia, Spain
-

5515
World Theater Day
-

5526
International Tiger Day
-

5528
Daylight saving time begins
-

5529
Happy Cinco de Mayo!