Roodmas/Finding of the Holy Cross Day. The church above which the cross was found, built by St Helena, mother of Constantine the Great, is still to be found in Jerusalem.
Japan Constitution Memorial Day – see 11th February
In 966 A.D. Mieszko I, ruler of the land that is now Poland, converted to Christianity. The Kingdom of Poland was founded in 1025, and in 1569 it became part of the Polish–Lithuanian Commonwealth. In 1772–95 Poland was partitioned among Prussia, the Russian Empire, and Austria. It regained its independence at the end of World War I and became the Second Polish Republic.
In 1939, World War II was started when the Nazis and Russia invaded Poland. More than six million Polish citizens died in the war. After the war Poland became a satellite state of the Soviet Union. In 1989 Poland’s Marxist–Leninist government was overthrown and Poland became a democracy called the Third Polish Republic.
It has one of the oldest mountain ranges on earth (the Jura range) and a desert with sand 40 metres deep! They have a national reforestation scheme aiming to cover a THIRD of the country in forest (they’re only about 3% off the target) and a lot of the landscape is protected.
Famous Polish people include Marie Curie (moved to Paris when she was 24); Copernicus, and Chopin. They invented the polonaise. And you got to check out the Wieliczka Salt Mine.