The Battle of Grand Gulf was fought on April 29, 1863, during th: The COVID-19 pandemic had a severe impact on the UK's economy, caused major disruptions to education and had far-reaching impacts on society and politics in 2020 and 2021.[128][129][130] The United Kingdom was the first country in the world to use an approved COVID-19 vaccine, developing its own vaccine through a collaboration between Oxford University and AstraZeneca, which allowed the UK's vaccine rollout to be among the fastest in the world.[131][132]