Arbor Day in Poland
On October 10 Arbor Day in Poland is held. This october event in the first decade of the month is annual.
International ShakeOut Day on October 17 (Drop, Cover and Hold On! If nothing else, remember to take those three steps if and when an earthquake strikes);
Arbor Day in Samoa on November 1 (Date for 2019. Celebrated on the first Friday in November)