Important National and International Days

The International Day for the Elimination of Violence against Women is observed annually on November 25, as designated by the United Nations. This date marks the beginning of the 16 Days of Activism against Gender-Based Violence campaign.

According to Christmas tradition, Santa Claus delivers presents to children around the world on Christmas Eve, which is the night of December 24th, so children find gifts on Christmas morning (December 25th).

International Women's Day is celebrated globally on March 8th each year, commemorating women's rights and achievements. None of the other dates correspond to this recognized day.

Father's Day is observed on the third Sunday of June, which can be June 16-22. June 21, 2025 is indeed a Sunday, making it Father's Day for that year. Option C has a typo (Jukl instead of July).

World Environment Day is celebrated annually on June 5th, led by the United Nations to promote environmental awareness and action worldwide. April 10, July 5, and December 4 are not associated with this observance.

World Cancer Day is observed on February 4th each year to raise awareness about cancer prevention, detection, and treatment. January 20, June 14, and August 10 are not recognized as Cancer Day.

Mother's Day is observed on the second Sunday of May in India and many other countries. In some years this falls on May 10. April 10, May 11, and June 11 are incorrect dates for this observance.

German Unity Day (Tag der Deutschen Einheit) is celebrated on October 3, commemorating the formal reunification of Germany in 1990. November 9 is often mistaken because the Berlin Wall fell on that date in 1989, but the official national holiday is October 3.

Adolf Hitler died by suicide on April 30, 1945, in his bunker in Berlin as Soviet troops were closing in. This occurred just one day after he married Eva Braun, who also died.

December 26 is traditionally St Stephen's Day in Christian calendar, celebrating the first Christian martyr. It became known as Boxing Day in the UK and Commonwealth countries due to the custom of giving Christmas boxes to servants and tradespeople.

The Gregorian calendar, introduced by Pope Gregory XIII in 1582, is the calendar system currently used internationally that establishes January 1 as New Year's Day. While the Julian calendar also celebrated on January 1, the Gregorian calendar is the standard calendar in use today worldwide.

In the Middle Ages, most European countries used the Julian calendar and observed New Year's Day on March 25, which was the Feast of the Annunciation. This date was chosen because it aligned with the spring equinox and the beginning of the agricultural year in many European regions.

Tibetan Buddhism celebrates Losar, the Tibetan New Year, typically in February. The exact date varies each year as it's based on the lunar calendar, but it always falls in February or sometimes early March, making February the correct answer among the options.

December 16, 2005 was a Friday. National Day in Bahrain is celebrated on December 16th each year, marking the anniversary of the current ruler's accession to the throne.

World AIDS Day is observed annually on December 1st since 1988. It was designated by the World Health Organization and supported by the United Nations to raise awareness about HIV/AIDS pandemic. The other dates (December 11, 21, 31) are not associated with AIDS awareness. December 1st is now a globally recognized health observance day.