The Synod of Bishops for the Pan-Amazon region opened on October 6, 2019, addressing issues such as environmental protection, indigenous rights, and the Church's role in the Amazon. The synod highlighted the need for sustainable development and the Church's commitment to ecological issues.

Pope Francis concluded the Jubilee Year of Mercy on November 20, 2016, with a Mass at St. Peter's Basilica. The year-long event emphasized the theme of mercy and included various spiritual activities and pilgrimages, aiming to renew the Church's commitment to compassion.

On March 13, 2013, Cardinal Jorge Mario Bergoglio was elected as Pope Francis, becoming the first pope from the Americas and the first Jesuit pope. His papacy has been marked by a focus on humility, social justice, and outreach to marginalized communities.

Pope Benedict XVI announced his resignation on February 11, 2013, citing his advanced age and declining strength. His resignation, effective on February 28, marked the first papal resignation in nearly 600 years, leading to the election of Pope Francis.

On March 12, 2000, Pope John Paul II led a Day of Pardon Mass, during which he asked forgiveness for the sins committed by the Church throughout history. This event was part of the Church's Jubilee Year celebrations and aimed at fostering reconciliation and healing.

After extensive renovations, the Vatican Library reopened in 1995. The library, one of the oldest in the world, holds a vast collection of historical texts and manuscripts. The renovation improved preservation conditions and expanded facilities for scholars and researchers.

Vatican City was designated a UNESCO World Heritage Site in 1984, recognizing its cultural and historical significance. The site includes St. Peter's Basilica, the Vatican Museums, and the Sistine Chapel, which house some of the world's most renowned art and architecture.

The Second Vatican Council, convened by Pope John XXIII, was a significant ecumenical council that aimed to address relations between the Roman Catholic Church and the modern world. It introduced several reforms, including the use of vernacular languages in Mass and a renewed emphasis on ecumenism.

Vatican City's railway station, the smallest in the world, opened in 1934. It was built as part of the Lateran Treaty agreements, providing a direct rail connection to the Italian railway network. The station is mostly used for ceremonial purposes and occasional freight.

The Lateran Treaty was signed between the Holy See and the Kingdom of Italy, establishing Vatican City as an independent sovereign state. This agreement resolved the 'Roman Question' and recognized the Vatican's independence, granting it full sovereignty and territorial integrity.