Armed conflicts and attacks

• Russo-Ukrainian War
  • 2022 Russian invasion of Ukraine
    • Eastern Ukraine offensive
      • Siege of Mariupol
        • Ukraine says that Russian artillery and aircraft have targeted a Red Cross hospital in the city of Mariupol. (Times of Israel)
    • Battle of Chernobyl
      • Ukrainian Deputy Prime Minister Iryna Vereshchuk calls for Russia to withdraw from the Chernobyl Exclusion Zone area and for Russian troops occupying the former nuclear plant to pull out. (Reuters)
      • A U.S. official says that Russian forces have begun withdrawing from the Chernobyl area and have moved into Belarus. (France 24)
    • 2022 Ukrainian refugee crisis
      • The United Nations High Commissioner for Refugees says more than four million Ukrainians have fled the country since the invasion began on February 24. (France 24)
• Insurgency in Khyber Pakhtunkhwa
  • The Tehrik-i-Taliban Pakistan attack a military base in Tank, Pakistan, killing six soldiers. (Arab News)

Health and environment

• COVID-19 pandemic
  • COVID-19 pandemic in the United States
    • COVID-19 vaccination in the United States
      • U.S. President Joe Biden receives his second booster shot of the COVID-19 vaccine. (CBS News)
  • COVID-19 pandemic on cruise ships
    • The U.S. CDC removes their travel warnings for cruise ships, which were imposed during the beginning of the pandemic. However, passengers will still be required to be vaccinated and to test negative for COVID-19. (The Washington Post)
  • Treatment and management of COVID-19
    • According to a new study, the antiparasitic drug ivermectin does not prevent hospitalizations from COVID-19. (New England Journal of Medicine)

International relations

• Reactions to the 2022 Russian invasion of Ukraine
  • 2022 Russia–Ukraine peace negotiations
    • Ukrainian negotiator Davyd Arakhamia says that the Russian and Ukrainian delegations will resume their peace talks online on April 1 after the latest round of negotiations in Turkey has ended. (Reuters)
• 2021–2022 North Korean missile tests
  • North Korea–South Korea relations
    • The South Korean military says that last week, North Korea tested Hwasong-15 from November 2017, instead of a Hwasong-17. This comes a day after the defense ministry and lawmakers also confirmed this. (DW) (CBS News)
• Iran–United States relations
  • Iranian missile tests
    • The United States sanctions the Iranian ballistic missile program. (CNN)
• Russia–South Ossetia relations
  • The President of South Ossetia, Anatoly Bibilov, declares that the partially recognised state will undertake "legal steps" in the near future for accession to become part of Russia. (Meduza)

Politics and elections

• 2021–2022 Tunisian political crisis
  • Tunisian President Kais Saied orders the Assembly of the Representatives of the People to be dissolved, after 116 of the 124 MPs who convened online voted earlier in the day to strip Saied of the "exceptional measures" he had taken on since last July. (Reuters)

Science and technology

• Cyberwarfare by Russia
  • Russia announces that it will ban all usage of software from other countries in government agencies beginning in 2025. Additionally, beginning on March 31, all foreign software purchases for government agencies must be pre-approved by the government. (Reuters) (TASS)
  • It is reported that Russian government hackers have attacked and compromised the servers of Hungary's Ministry of Foreign Affairs since late 2021. (Direkt36)
• South Korea launches a solid-fuel indigenous space rocket at the Agency for Defense Development site in Taean County, South Chungcheong Province. (Korea Herald)
• The Hubble Space Telescope observes the most distant single star ever. The star, named Earendel by astronomers, is 28 billion light-years away. It is the farthest detection of a star, dating back 900 million years after the Big Bang. This discovery surpasses Hubble's record from 2018, when it discovered a star that existed when the universe was roughly four billion years old. (CNN)

Sports

• 2021–22 UEFA Women's Champions League knockout phase
  • A crowd of 91,553 attends the second leg of the quarterfinal between archrivals FC Barcelona and Real Madrid at Camp Nou in Barcelona. This surpasses the 90,185 at the 1999 FIFA Women's World Cup Final and is reportedly the largest attendance for a women's football match since Mexico–Denmark (110,000) in 1971. Barça won 5–2 on the day and 8–3 on aggregate. (ESPN)