Deflection of starlight by the sun’s gravitational field, measured during a solar eclipse and confirming a central prediction of Einstein's general relativity, was announced at a joint meeting of the Royal Society and the Royal Astronomical Society #OTD in 1919.
@mcnees an interesting fact: for [email protected], (almost) every star is significantly lensed by the Sun, even those (almost) behind you (when looking towards the Sun)