First Contact Day(International observance)

An international observance inspired by the fictional date of humanity's first contact with an alien race in Star Trek lore.
First Contact Day commemorates the event of April 5, 2063, when humans met Vulcans for the first time according to Star Trek. Fans around the world celebrate with film screenings, panel discussions, and science fiction conventions. The day promotes ideals of unity, exploration, and cooperation across differences. Many educational institutions and space agencies acknowledge it informally as a fun tribute to future possibilities. Events often include talks on real-world space exploration and astrobiology. Though fictional, it inspires public interest in science, diplomacy, and the search for extraterrestrial life. Social media campaigns encourage sharing visions of a peaceful and inclusive future.
First Contact Day International observance

International Day of Conscience

A United Nations observance that encourages reflection on the human conscience and its role in promoting peace and justice.
The International Day of Conscience was proclaimed by the UN General Assembly to emphasize the importance of ethical reflection in human society. Observed annually on April 5, it invites individuals and communities to meditate on the inner voice that guides moral decisions. Activities include educational workshops, public debates, and artistic performances exploring themes of empathy, responsibility, and solidarity. The day seeks to foster a culture of peace by encouraging people to act with compassion and integrity. It aligns with broader UN goals of sustainable development and human rights. Member states and civil society organizations collaborate to host events that highlight the transformative power of conscience in achieving global harmony.
International Day of Conscience