Wikipedia:Selected anniversaries/March 1

March 1: Saint David's Day in Wales, Mărţişor in Romania and Moldova, Martenitsa in Bulgaria.

• 1565 – Portuguese knight Estácio de Sá founded the city of São Sebastião do Rio de Janeiro (St Sebastian of the January River) in honour of King Sebastian I.

• 1872 – Yellowstone National Park, one of the first national parks in the world, was established.

• 1896 – Ethiopia won the decisive Battle of Adwa over Italy, ending the First Italo-Abyssinian War.

• 1919 – Korea under Japanese rule: The Samil Movement began with numerous peaceful protests in Korea, but was brutally suppressed by the Japanese police and army.

• 1954 – The 15-megaton hydrogen bomb Castle Bravo was detonated (pictured) on Bikini Atoll in the Pacific Ocean, resulting in one of the worst cases of radioactive contamination ever caused by nuclear testing.

More anniversaries:

• February 29
• March 1
• March 2