What happened on 28 July?

9 events from the Ever-When timeline, ranked by how much they mattered.

1. 1914 World War I Global industrial-scale war; ends with the collapse of four empires.
2. 1914 Austria-Hungary declares war on Serbia First declaration of war of WW1.
3. 1902 Born: Albert Namatjira Arrernte watercolour painter; the most famous Aboriginal Australian artist of the 20th century.
4. 1984 1984 Summer Olympics boycott Soviet-led boycott of the Los Angeles Olympics in retaliation for the US-led boycott of Moscow 1980.
5. 1976 1976 Tangshan earthquake One of the deadliest earthquakes of the 20th century.
6. 1887 Born: Marcel Duchamp French-American artist who exploded the boundaries of what art could be.
7. 1942 Order No. 227: not one step back With the south collapsing, Stalin's order is read to every unit in the Red Army: panic-mongers and cowards must be exterminated on the spot; blocking detachments will stand behind
8. 1540 Execution of Thomas Cromwell The architect of the royal supremacy is destroyed by the machine he built: attainted without trial — his own legal innovation — for heresy and treason, and beheaded on Tower Hill t
9. 1865 Welsh settlement of Patagonia (Y Wladfa) Welsh nationalists led by Michael D. Jones establish Y Wladfa, a Welsh-speaking colony in the Chubut valley of Argentine Patagonia, to preserve the language and culture; the settle