Timeline
1693: March: James Bradley born (p194)
1697? Macclesfield born (p194)
1728: 01 May: Charles Mason baptised
1729: Bradley discovers aberration of starlight
1732: 06 Oct: Nevil Maskelyne born
1733: 27 July: Jeremiah Dixon born (p221) to Mary Hunter (pp229, 238)
no-date: Mason learns baking (p204)
1742: Halley dies, Bradley named Royal Astronomer
1744: Bradley marries Susannah Peach (p187)
1745: Bradley's daughter born
1745? Wolfe expels Mason form paradise (p313)
1745: 12yo Dixon meets Lud in tunnel (p232)
1752-1764: Macclesfield president of Royal Society (p192)
1752: 02 Sept: Eleven days dropped from calendar (p190)
1755: (p330)
no-date: Mason Bradley's protege (p45)
1756: Mason becomes Bradley's assistant/adjunct (p45)
1756: "Defenestration of the Clothiers" (p198)
1756: 20 June: Black Hole of Calcutta (p192)
1757: Susannah Bradley dies (p187)
no-year: 01 May: Mason meets Rebekah (p167)
no-year: 21 June: Mason and Rebekah visit Stonehenge (p210)
1758: Halley's Comet reappears (p192)
1759: March: Halley's perihelion (p188)
1759: 15 March: Johnson on sailors (p35)
1759: 13 Feb: Rebekah Mason dies (p52)
1759: 20 Nov: Battle of Quiberon Bay (p192)
1760: 05 May: Lord Ferrers hung (p109)
1760: tensions between Mason and Bradley (p188)
1760: 26 Sept? Dixon writes Mason from Durham (p13)
1760: late Oct: Quakers expel Dixon; Dixon to London (p43)
1760: 08 Dec: Seahorse voyage cancelled (p33)
1761: 09 Jan: Seahorse starts for Sumatra (p29)
1761: Maskelyne to St Helena (p118)
1761: 27 April: M&D reach Cape Town
1761: 06 June: Transit of Venus (p97)
1761: 27 June? Waddington leaves St Helena (p127)
1761: Bradley suffers emotional problems
1761: Oct: M&D to St Helena (pp99, 102)
1761: Oct? Dixon back to Cape Town (p125)
1761: Dec? Dixon to St Helena (p180) M&D to England
1762: 13 July: Bradley dies (p184)
1763: summer: Mason and Maskelyne in London (p213)
1763: Aug: M&D sign contract (p246)
1763: 15 Nov: M&D reach Philadelphia (p258)
1763: 01 Dec: second meeting (p291)
1764: 08 Jan: observatory (p330)
1764: Maskelyne to Barbados
1764-1765: (pp333, 339, 341)
1766: M&D top Allegheny Ridge (p7)
1767? M&D diverge? (p315)
1767: Nov: line halted by Indians
1768: 21 Jun: M&D complete measurement of degree of meridian
1768: 11 Sept? M&D leave America
1768: 24 Nov: M&D address Royal Society
1769: 03 June: Transit of Venus viewed by Mason at Cavan (Ireland), by Dixon at Hammerfest, Norway (p246)
1769: 30 July: Dixon back in England
1771: JW LeSpark marries Elizabeth Cherrycoke (p410)
1779: 22 Jan: Dixon dies
1786: 25 Oct: Mason dies; Wicks attends funeral (p6)
1786: Christmas: "M&D" opens (p6)