TGA board member, Tina Peña, shares a travel journal from Celle, Germany, capturing moments of hospitality, celebration, and connection during the 25th anniversary of the Tulsa–Celle Sister City partnership.

Tulsa Global Alliance partnered with Circle Cinema and Tulsa Botanic Garden for a special screening of Roma, marking the first showing in the upcoming Sister City Film Series that celebrates global stories through film and community connection.

Tulsa and its Sister City San Luis Potosí celebrated the unveiling of the Caja de Agua Fountain, a gift of art and friendship that now stands as a lasting symbol of international connection at the Tulsa Botanic Garden.

Tulsa families joined our Kaohsiung Sister City Chair, Rex Burnett, to celebrate the Mid-Autumn Festival! Guests enjoyed mooncakes, lantern-making, and stories of Chang’e and the Jade Rabbit under the full moon.

Students from Tulsa’s Sister City of Celle, Germany spent the week in Tulsa with Riverfield Country Day School host families, celebrating 25 years of friendship between the two cities. Earlier this year, Riverfield students visited Celle, exploring sites like Heidelberg Castle, the Kölner Dom, and the historic Ratsherrensaal in Celle City Hall.

Tulsa Global Alliance welcomed 12 Canadian Youth Ambassadors for 10 days of cultural exchange, civic engagement, and community connection. From volunteering at local nonprofits to meeting Tulsa leaders and sharing life with host families, the students experienced firsthand the spirit of hospitality that defines our city.

Tulsa Global Alliance was honored to host 20 staff members of the German Bundestag through the “Beyond Washington” program, funded by the U.S. Embassy in Berlin. During their five-day visit, the delegation engaged with Oklahoma leaders in government, business, and education to gain a deeper understanding of the U.S. heartland. Highlights included policy meetings, cultural exchange, and home hospitality dinners that fostered meaningful transatlantic connections.

This final installment in our Sister City Summer Series highlights Tulsa’s newest international partnership with Mwanza, Tanzania. As our first Sister City on the African continent, this relationship reflects years of grassroots connection, community exchange, and a shared commitment to global friendship. From cultural visits to formal ceremonies, the Tulsa–Mwanza partnership is just beginning to grow.