December 22, Know about the important events, decision, first ever and so on happened across the world.
1882- Thomas Alva Edison created first string of Christmas tree lights.
1900- Daimler Motors delivered first Mercedes to buyer
1939- Two trains collide in Germany killing more than 100 people
1956- first-ever gorilla born in captivity named Colo was born in US
1977- US President Jimmy Crater had his first year as president
1990- Soviet union was dead and 11 former republics were announced
1989- Brandenburg Gate in Berlin reopened almost after 3 decades, 23 years of dictatorial rule of Nicolae Ceausescu ousted in Romania
2010- Gays were allowed to serve in US Military, US then President Barack Obama signed the concerned law.