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This is a list of events related to architecture in 1745.

• The Great Lavra Bell Tower, the main bell tower of the ancient cave monastery of Kiev Pechersk Lavra in Kiev (modern-day capital of Ukraine), designed by Johann Gottfried Schädel, is completed (begun 1731).^[1]
• Construction of the Wieskirche in Bavaria, designed by Dominikus Zimmermann, is begun (structure completed 1754)

• May 5 – Carl August Ehrensvärd, Swedish naval officer, painter, author and neoclassical architect (died 1800)
• July 20 – Henry Holland, English architect (died 1806)
• Pierre-Adrien Pâris, French architect, painter and designer (died 1819)

• February 23 – Joseph Effner, German architect and decorator (born 1687)
• June 13 – Domenico Antonio Vaccaro, Neapolitan painter, sculptor and architect (died 1678)
• October 15 – Maximilian von Welsch, German baroque architect (born 1671)
• November 16 – Johann Lukas von Hildebrandt, Genoese-born, Italian-trained Austrian baroque architect (born 1668)