1. The local importance of this moment can be illustrated by the fact that Booth company even offered a lunch onboard of the Anselm, with the purpose of celebrating the reorganization of its regular navigation services between Amazonia and Europe, which were reduced as a consequence of World War I (see “Uma festa no Anselm,” O Imparcial, Belém, March 24, 1919). At that time, articles related to the First World War, which had just ended, could be often found in the Belém press, including news about the situation of Germany (see, e.g., “A Allemanha de hoje,” Estado do Pará, April, 24, 1919, 1) and Italy (see, e.g., “A situação internacional. A Itália estremecida com os seus alliados,” Estado do Pará, April 25, 1919, 1).
2. A. C. D. Crommelin, “The Eclipse Expedition to Sobral,” The Observatory 42 (1919), 368–71.
3. F. Dyson, A. Eddington, and C. Davidson, “A Determination of the Deflection of Light by the Sun’s Gravitational Field, from Observations Made at the Total Eclipse of May 29, 1919,” Philosophical Transactions of the Royal Society of London 220 (1920), 291–333.
4. “O Porto de Belém. Passageiros,” Estado do Pará, April 9, 1919, 4.
5. Crommelin, “Eclipse Expedition” (ref. 2).